You’ll do hands-on laboratory work and in-class activities to investigate phenomena and use calculus to solve problems. KS3 science Physics Quiz on "MAGNETS and ELECTROMAGNETS" (8J) CLICK on [?] read feedback. 1 - Electromagnetic Induction. GraspIT - AQA GCSE Magnetism and Electromagnetism - Questions better hope − brighter future b. Once you have answered all the questions, click the "Done" button below the. 424 Unit 3:Electricity and Magnetism Motors use electromagnets. To understand the force that a magnetic field exerts on a moving charge. Basics of Magnetism. Chapter 28: Electromagnetic Induction. Introduction. The ne xt step in the process is to test your hypothesis by crea ting experiments that can be. Materials list, advance preparation instructions, lab hints and tips, safety tips, rubric, worksheets, and answer key are provided. Define electromagnetic radiation. Visible light is simply a small part of. • Electricity and magnetism control human life. Find the training resources you need for all your activities. When you increase the distance the charge strength decreases 9. Magnetic flux and density MCQs, electromagnetism and magnetic field quiz questions and answers for admission and merit scholarships test. Before you begin your lab, you need to form a hypothesis that reflects which material, voltage, and number of winds you think will produce the strongest electromagnet. edu is a platform for academics to share research papers. Describe what happens if you hold a nail or paper clip near the coil. Electricity and Magnetism Magnetism and electricity are closely related phenomena. Other topics This unit also addresses topics such as: Earth's magnetic field, electrical safety, electromagnets, electrical units of measure, the behavior of magnets, and means of generating and delivering electricity. Electromagnetism is the theory of a unified expression of an underlying force, the electromagnetic force. The process starts with a question and your answer to the question based on experience and knowledge. Biot – Savart law: This law quantifies the amount of magnetic field that is generated around an element when some current flows through it. In each situation, draw the needles of the. An iron bar is placed between two magnets as shown below, which makes the iron a temporary magnet. Compare (as quantitatively as possible) the peak wavelength and total intensity emitted by an object at 300 K and an object at 150 K. Activity Questions: 1. opposed parallel perpendicular. A remarkable scientific and technological progress has taken place in the 20 th century. In each situation, draw the needles of the. Electromagnetic waves are classified according to their frequency. Magnetism and Electricity Word Chop Worksheet Directions: The table below contains words that have been chopped in half. This is an example of a magnetic dipole ("di" means two, thus two poles). Worksheet/Answer key. Assessment of knowledge of magnetism (before reaching electromagnetism) system worksheet and answer key to go along with a free video. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. Magnetism and electricity: the theory of electromagnetism. It is due to a magnetic field, which is caused by moving electrically charged particles. Electricity and Magnetism Unit Study Guide Electromagnets need electricity in order to be magnetic. Differentiate between a non magnetic and magnetic substances. 5Rotation of a coil in a magnetic field produces an emf. Worksheet - Uniform Circular Motion. If the flux changes: indicate whether it is increasing or decreasing (and in which direction). Follow-up question: what does the term retentivity mean, in relation to permanent magnetism? Notes: The answers students find to this question may be philosophically. Understand magnetic poles and the attraction mechanism. Eighth Grade (Grade 8) Magnetism and Electricity questions for your custom printable tests and worksheets. Visit this page to get class 10 Magnetic effects of current - Practice Worksheet (PDF download). A compass needle is a magnet. Explain how the complementary principles of electromagnetism and electromagnetic induction manifest themselves simultaneously in the same wire coil to produce self-induction. An electric charge is a fundamental property of matter. Electrons have a negative electric charge, while protons have a positive electric charge; neutrons have no electric charge. Free practice questions for AP Physics C Electricity - Electricity and Magnetism Exam. Two poles are touching the cardboard. An electric current produces a magnetic field. Electricity & magnetism review worksheet Answer Key 1. Draw the magnetic field pattern for a solenoid. Instead, kids gain hands-on experience Exploring Electricity, Magnetism & Electromagnetism, so concepts stick. a) Magnetic Flux Density is a measure of the intensity of a magnetic field. cir att cuit electr bat ract net ricity cur mag tery re elec fo com elect pass rent stone omagnet rce trons lode pel Answers:. Magnetic Field Near a Long, Straight, Current-carrying Conductor Electromagnetic Induction and the Lorentz Force:. 458 to 472) December 10-19, 2019 1. Unlike mechanical waves such as sound or earthquake waves, EM waves can travel through empty space. Don't show me this again. The circle next to the answer will turn yellow. 2) Why are unpaired electrons more significant than paired electrons in terms of magnetic properties? 3) What causes a material to be classified as “ferromagnetic”? Name some examples of ferromagnetic materials. But if we use the left hand rule in this same situation to find the direction of motion of wire then it shows that the direction of wire is upwards. This can be due to a conductor moving through a magnetic field or a conductor being in a fixed position within a changing magnetic field, such as that due to an alternating current. Magnets have two opposite ends, called poles. Discover how you can use a battery and wire to make a magnet! Can you make it a stronger magnet? Can you make the magnetic field reverse? Sample Learning Goals Predict the direction of the magnet field for different locations around a bar magnet and electromagnet; Compare and contrast bar magnets and electromagnets. ) Electricity 3. Magnetic field|A region in which a magnetic force can be detected. ioane roberts. We have a selection of great videos for use in the. Radiant energy is the energy of electromagnetic waves. Light energy—electromagnetic radiation. Check out definitions of key terms and view video clips that reinforce the concepts. For the following scenarios, determine whether the magnetic flux changes or stays the same. Electricity & magnetism review worksheet Answer Key 1. A magnet can be moved up or down at a constant velocity below a loop of wire, or the loop of wire may be dragged in any direction or rotated. MIT OpenCourseWare is a free & open publication of material from thousands of MIT courses, covering the entire MIT curriculum. They don't need anything to be there at all. The magnetic field is strongest at both the north and south poles. THE DISCOVERY OF ElECTROMAGNETISM 1. This radiation comprises the spectrum of energy ranging from radio waves on one end to gamma rays on the other. Studyres contains millions of educational documents, questions and answers, notes about the course, tutoring questions, cards and course recommendations that will help you learn and learn. Lesson 2~. The combination of electric and magnetic forces on a charged object is known as the Lorentz force. None of the trademark holders are affiliated with Free-Test-Online. 4 All electromagnetic waves travel at the same. Beyond the Mechanical Universe The world of electricity and magnetism, and 20th-century discoveries of relativity and quantum mechanics. Tape Charge Stick two strips of tape on the desk, then peel them off. • Unlike electricity, magnets do not come in separate charges. Mercedes 1950 170 V Workshop Manual Mercedes a 170 free workshop and repair manuals, mercedes a 170 the mercedes benz a class is a compact car produced by the german automobile manufacturer. With this quiz you can check your understanding of electromagnetism and electromagnets as well as. The strength of a magnetic field or magnetic flux density B can be measured by the force per unit current per unit length acting on a current-carrying conductor placed perpendicular to the lines of a uniform magnetic field. true false 23. Electromagnetic waves are vibrations of magnetic and electric fields. When a bar magnet moves into a coil of wire a current is induced. The most familiar examples of magnetism are the household refrigerator magnets and the compass. Displaying all worksheets related to - Electromagnet. It experiences an upward magnetic force of 3. Read the link: The History of Electromagnets. Worksheet One This worksheet accompanies slide 6 of Magnets and Electromagnets. Magnetism and electricity are connected in a way that is very useful to people. The goal of these guides is to give students an appreciation of the major role magnetism plays on Earth and in space, and ultimately enable them to use NASA data as “scientists” researching our magnetic connection to the Sun. An electron is projected with an initial velocity v o = 1. The wire has an electric current. Answer the following questions during or after your study of Electromagnetic Waves. Please remember to photocopy 4 pages onto one sheet by going A3→A4 and using back to back on the photocopier. Each time you turn on a light, listen to your stereo, fly in an airplane, or watch TV, you are depending on the principles of magnetism to work for you. Some of them are _____ and some are Magnetism comes from _____ found in. J Magnets and electromagnets Unit guide Where this unit fits in Prior learning The concepts in this unit are: magnets and magnetic materials have important special properties, electromagnets allow magnetism to be switched on and off, and so have many practical applications. The AP Physics C: Electricity and Magnetism Exam will continue to have consistent question types, weighting, and scoring guidelines every year, so you and your students know what to expect on exam day. In essence all electrical and magnetic phenomena can be. Electricity & magnetism review worksheet Answer Key 1. (Module booklets include all of the linked worksheets for the module). Super Teacher Worksheets - www. Magnetism is a property of materials that respond to an applied magnetic field that cause the material to be either attracted or repelled. But these lessons aren't passive. Magnetic fields and lines of force. Worksheets are Magnetism and electromagnetism, Building an electromagnet work, Work for magnetism and electricity, Magnetic attraction, Basic electromagnetism and electromagnetic induction, Lesson plan electricity and magnetism, Magnetism and electromagnetism, Electricity and magnetism. Displaying all worksheets related to - Electromagnet. Draw a magnetic field for each of the following examples. ) counterclockwise when viewed from the right. This section contains more than 70 simulations and the numbers continue to grow. Electromagnetism Activity Enrich your study of magnetism with the reading passage and questions in this printable. Magnetism is a property of materials that respond to an applied magnetic field that cause the material to be either attracted or repelled. Write Yes next to each material the magnet attracts. All magnets have a north pole and a south pole. Electromagnets electromagneta magnet made from electricity. com Magnetic Attraction Tell whether each pair of magnets will attract or repel. There are hundreds of devices that contain electric motors. Earth Motion Worksheet Earth Motion Worksheet Key: Major Phase Moon Calendar lesson MoonGiant. On the basis of magnetic properties all the materials may be classified into three classes. Electromagnets differ from permanent magnets only in how the magnetism is created. Suppose the magnetic field is from right to left and the motion of the wire is downwards then according to the right hand rule the induced current will be in the straight direction. Draw the magnetic field pattern for a solenoid. Writing if then hypothesis worksheet and answers **Write a hypothesis for each of the following 2 questions. Answer lesson EQ. An iron bar is placed between two magnets as shown below, which makes the iron a temporary magnet. Students investigate and explain the relationship between electric currents and magnets and demonstrate the advantages. Learners complete a. Start studying Physics Review CHAPTER 19-20 ( Magnetism and Electromagnetic Induction). Confuse Box Circuit Game. Electromagnetism is a branch of physical science that describes the interactions of electricity and magnetism, both as separate phenomena and as a single electromagnetic force. magnetic field. This will help them to get better marks in examinations. Introduction: The Grade 4 Physical Science Unit focuses on magnetism and electricity. PDF | The aim of this study was to investigate the impact of the course materials developed in accordance with 7E model in the unit of electromagnetism in high school physics class on students. Electromagnetism assignments may include formulas studying the forces of a magnetic field on particles. • Exams may not be posted on school or personal websites, nor electronically redistributed for any reason. The answers are exactly what one should write in point to point as in mark schemes. Magnetism and Electricity Word Chop Worksheet Directions: The table below contains words that have been chopped in half. Electromagnetic Induction. 2 x 10-14 N. – relative magnetic permeability (K) – K = magnetic field strength in material / magnetic field strength in a vacuum. Explain how the bell works by referring to the parts labelled A – E. Compare and contrast bar magnets and electromagnets. An electric charge is a fundamental property of matter. Some of the worksheets for this concept are Building an electromagnet work, Learning cycle planner, Building an electromagnet work answers, Magnetism and electromagnetism, Magnetism and electromagnetism, Electricity and magnetism, Lesson plan electromagnets, Magnetism electricity vocabulary list definitions. For something to be magnetic it would have to attract if opposite poles but if the poles were the same then the magnets would repel Away from each other. The answers students ﬁnd to this question may be philosophically unsatisfying. An electromagnet is a temporary magnet that only generates a magnetic field when electric current is flowing. magnetism worksheet. Magnetism Review Worksheet (pdf or google doc) (This is Activity #49 and needs to be completed in your Notebook) Answers Magnetism Observation Lab ( pdf or google doc ) (This is Activity #50 and needs to be completed in your Notebook). To study the magnetic fields due to currents in wires, loops, and solenoids. HyperPhysics is provided free of charge for all classes in the Department of Physics and Astronomy through internal networks. In ferromagnetic materials the magnetic effects of the electrons do not fully cancel each other out, atoms then are like tiny magnets. Magnetic domain|A group of atoms whose magnetic fields are aligned in the same direction. The classical (non-quantum) theory of electromagnetism was first published by James Clerk Maxwell in his 1873 textbook A Treatise on Electricity and Magnetism. Sketch magnetic ield lines for each of the sitaations indicated. Suppose the magnetic field is from right to left and the motion of the wire is downwards then according to the right hand rule the induced current will be in the straight direction. 4) Heat radiation, also known as , cannot be seen by your eyes but can be felt by your skin. Origin of magnetism Externally applied magnetic field can align the domains so that the material becomes magnetised. electromagnetic radiation. com and is a common field of physics. That is the strongest and most familiar type of. Assessment of knowledge of magnetism (before reaching electromagnetism) system worksheet and answer key to go along with a free video. None of the trademark holders are affiliated with Free-Test-Online. By the end of the unit students will know: electricity and magnetism are related effects that have many useful applications in everyday life. Guided lecture Review key points. Electromagnetism and magnetic field multiple choice questions (MCQs), electromagnetism and magnetic field quiz answers, GCE A level physics test prep 1 to learn online physics courses for online classes. Electromagnetic Waves: A. The paperclip is stuck to the nail. transformer 9. Magnetism and Electromagnetic Induction 15. That is what we are here for. Magnetic field|A region in which a magnetic force can be detected. Enrichment Section 1 (page 30) Part A Part B Section 2 (page 31) 1. Electrons have a negative electric charge, while protons have a positive electric charge; neutrons have no electric charge. Our online magnetism trivia quizzes can be adapted to suit your requirements for taking some of the top magnetism quizzes. Electromagnets and motors. Electromagnet. Their fixed magnetic pull strength can also make them unattractive to users looking for a great deal of flexibility. com GCSE PHYSICS ELECTROMAGNETISM High Demand Questions QUESTIONSHEET 1 Here is a diagram of an electric bell. b Explanation of Answers 1. Choosing Electromagnets. The air being. To study the motion of charged particles in magnetic fields. Click on pop-out icon or print icon to worksheet to print or download. pdf: File Size: 345 kb: File Type: pdf. It is also inherent in magnetic objects such as a magnet. (1 mark) State the two main ways to generate electricity. permanent magnet 2. Assessment of knowledge of magnetism (before reaching electromagnetism) system worksheet and answer key to go along with a free video. The overall format of the exam—including the weighting, timing, types of questions, and types of stimulus materials—won’t change. Lesson 7 - Induction, Motors. We have some images of Magnetism Worksheet Answers that you can download and install free of cost. Lesson 5 - Magnetic Fields and Oersted's Principle - printable. Draw a magnetic field for each of the following examples. Sign in with your email address. Magnetism is a non-contact force. An exercise which teaches about the electromagnetic spectrum - its various regions and their associated wavelengths, frequencies, and energies. generator 6. Just before the switch is closed, what can we say about the current in the lower. So they don't need air in order to travel. The magnetic flux can change either because the magnetic field changes, the area of the loop changes, or because the angle between the area and the field changes. 3) An electromagnetic wave with frequency 64. Explore concepts such as electrostatics, conductors, capacitors and dielectrics, electric circuits, magnetic fields, and electromagnetism. solenoid coils - design and uses of electromagnets. Draw a magnetic field for each of the following examples. Super Teacher Worksheets - www. , north and north or south and south) and attract unlike poles (north and south) or magnetic materials. Tape Charge Stick two strips of tape on the desk, then peel them off. This word search contains the following answers: Volts Static electricity Neutrons Protons Magnetism Magnetic field Ion Insulators Electrons Electromagnetism Electromagnet Electricity Electric currents Conductors Circuit Charge Atoms Amps. 6th Grade On Electromagnets - Displaying top 8 worksheets found for this concept. This team member is tasked with ensuring that the proper information is obtained and included on the poster. Any wave is. Electromagnetism. Identify equipment and conditions that produce induction. % Progress. The Following Section consists Multiple Choice Questions on Magnetism and Electromagnetism. Notes/Worksheets – Honors 1 Electrons, Energy, & the Electromagnetic Spectrum Notes Simplified, 2-D Bohr Model: Figure 1 Figure 2 Figure 3 The energy is released as electromagnetic radiation. Electromagnetism is the theory of a unified expression of an underlying force, the electromagnetic force. It became the structural basis for much of today’s electromagnetic technology. How can I use this KS3 magnetic force worksheet in class? Use this KS3 worksheet to develop understanding or to reinforce teaching of magnetism and magnetic force. Welcome to the IMAGE satellite tutorial on Earth's magnetic field. Displaying top 8 worksheets found for - Electromagnetism. AP* Magnetism Free Response Questions page 17 2004 Q3 (15 points) A square loop of wire of side 0. Electromagnetism. 6th Grade On Electromagnets. All of the Grade 4 California Science Content Standards for Physical Science are addressed in this unit. Magnets have two opposite ends, called poles. produce a magnetic field • How electromagnets are used • How motors use electro-magnets KEY CONCEPT Current can produce magnetism. extra practice mag force on a wire with solutions. Electromagnetic waves can travel through a vacuum. You can change your answer if you want. SACE Stage 2 Physics (created by Nick Kryiazis): backup file available. A compass needle is a magnet. Please remember to photocopy 4 pages onto one sheet by going A3→A4 and using back to back on the photocopier. Grade 10 Science Learner' Material Unit 2-Force, Motion and Energy 1. What happens when an electric current passes through a wire. Introduction. Here you will find all we have for Electromagnetic Radiation Worksheet. Return to: Section A - Top. The simple experimental setup described in the “Answer” section for this question is sufficient to dispel that myth, and to illuminate students’ understanding of this principle. The worksheet could be used as a classroom or homework activity, or even as an intervention resource. Free PDF download of NCERT Solutions for Class 12 Physics Chapter 5 - Magnetism And Matter solved by Expert Teachers as per NCERT (CBSE) textbook guidelines. 5 T magnetic field. Lesson 7 – Induction, Motors. Connect with social media. Electromagnetism assignments may include formulas studying the forces of a magnetic field on particles. Paper clips are made of steel. Explain your answer. Strength, charge 6. Lesson 6 – Solenoids and the Motor Principle. The worksheet could be used as a classroom or homework activity, or even as an intervention resource. The server for HyperPhysics is located at Georgia State University and makes use of the University's network. James Clerk Maxwell was a pioneer in the field of electromagnetism. Displaying top 8 worksheets found for - Magnetism. step-up 10. Lesson 6 - Solenoids and the Motor Principle. The magnetic field disappears when the current is turned off. The paperclip is stuck to the nail. transformer 9. Working through the Exploring Electricity, Magnetism & Electromagnetism curriculum, kids learn like. Vv1lY docs a compass needle move when it is ncar a magnetic field? a. Permanent magnets have persistent magnetic fields caused by ferromagnetism. Some of the worksheets for this concept are Magnetism and electromagnetism, Building an electromagnet work, Work for magnetism and electricity, Magnetic attraction, Basic electromagnetism and electromagnetic induction, Lesson plan electricity and magnetism, Magnetism and electromagnetism, Electricity and magnetism. Electromagnets act just like regular magnets except that they lose their magnetic properties once current ceases to flow in the wire. Connect with social media. The best advice I can give to you is to budget your time properly, don't wait until the last minute (the night before) to get your work done. The Ten Greatest List changes with time and fortunes. access to our ebooks online or by storing it on your computer, you have convenient answers with accounting 1 warren reeve duchac 14e answers. The direction of the magnetic field is tangent to the magnetic field line at any point in space. In 1831, Micheal Faraday formulated two important laws on the basis of certain experiments that shows a relationship between the electric circuit and magnetic field. Relate magnetic field strength to distance quantitatively and qualitatively. pdf), Text File (. The best advice I can give to you is to budget your time properly, don't wait until the last minute (the night before) to get your work done. 04 Electromagnetism Lab Worksheet 1. By convention, we say that the magnetic field lines leave the North end of a magnet and enter the South end of a magnet. Electricity and Magnetism The relationship between electricity and magnetism, including how electromagnetism and induction work. How fast to radio waves travel in a vacuum? How fast does red light travel in a vacuum? How fast to X-rays travel in a vacuum? 3. This section contains more than 70 simulations and the numbers continue to grow. Identify questions about electromagnetism; Make observations and record data; Explain how the Earth’s magnetic field affects compass movements; Use the "Linking magnetism and electricity competencies assessment" form to assess your students. com GCSE PHYSICS ELECTROMAGNETISM High Demand Questions QUESTIONSHEET 1 Here is a diagram of an electric bell. Electromagnetic waves are a form of energy waves that have both an electric and magnetic field. Electromagnetism is the interaction of electric and magnetic fields. Strength, charge 6. In the 1800s, a Danish physicist named. The magnetic and electric fields can be displayed, as well as the magnetic flux and the current in the wire. Light energy—electromagnetic radiation. A battery, a loop of wire, and a switch make a circuit below. Here you will find all we have for Electromagnetic Radiation Worksheet. Electric fields and magnetic fields have similarities, but operate very differently. Ring Thrower – A team member will demonstrate how electrical currents and magnetic fields can be used to throw the ring into the air. Magnetic induction in steel Can a steel nail pick up a paperclip? Does a magnet have to touch iron to induce a magnetic field? Magnetic force acts through space and most materials Can a magnet attract a paper clip through paper, foil, etc? Is the magnetic field blocked by anything? magnetic attraction decreases with distance. Physical Science 8th Graders, be the leaders I know you can be! Physical Science is broken into 3 main units: Astronomy, Chemistry and Physics. Team7c Magnetism quiz. 1 learner guide + 2 class clips. Electromagnetic forces arise from. Observe how current can create a magnetic field. Electro-Magnetic Induction. Feel free to answer these. Password *. It is one thing to discover that magnetism is produced by moving electric charges, but quite another to discover (much less explain) just what a magnetic field is in an ontological sense. The main properties of magnets are that they have two poles, called north and south, which repel like poles (e. true false 24. Sure, it is easy to explain what magnetic ﬁelds. Both of these result in an e. Once you have answered all the questions, click the "Done" button below the. You can change your answer if you want. Sound waves are part of the electromagnetic spectrum. An electric current produces a magnetic field. This page is a basic introduction to the electromagnetic spectrum sufficient for chemistry students interested in UV-visible absorption spectroscopy. Use your VOM to check the voltage induced by a coil of magnet wire passing through a magnetic field: Highest reading along the lines of force = _____. Why Electronics Magnetism and Electromagnetism? In this section you can learn and practice Electronics Questions based on "Magnetism and Electromagnetism" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc. QUESTIONS WITH ANSWERS ON ELECTROMAGNETISM Ques 1. Magnetism and Electromagnetism Sun and space weather. Sketch magnetic ield lines for each of the sitaations indicated. A resource page for Educational Technology. Our highly qualified team of professionals is organized to give solutions to the electromagnetism problems that students face every day. Lesson 3 - Circuit Analysis Worksheet. Maxwell theorized that electricity, light, and magnetism were all related phenomenon. A long straight vertical wire carries a steady current in the upward direction. Worksheet: Electromagnetic Induction (revised 1/11/11) NAME_____ Changing magnetic flux through any closed loop creates an induced emf in that loop. For instance there are many worksheet that you can print here, and if you want to preview the Magnetism Worksheet simply click the link or image and you will take to save page section. How fast to radio waves travel in a vacuum? How fast does red light travel in a vacuum? How fast to X-rays travel in a vacuum? 3. Explore concepts such as electrostatics, conductors, capacitors and dielectrics, electric circuits, magnetic fields, and electromagnetism. In ferromagnetic materials the magnetic effects of the electrons do not fully cancel each other out, atoms then are like tiny magnets. Marconi by the end of the 19 th century. The table on the following page divides the electromagnetic spectrum into eight bands by common names although the differences between types are gradual rather than discrete. It is one thing to discover that magnetism is produced by moving electric charges, but quite another to discover (much less explain) just what a magnetic ﬁeld is in an ontological sense. A long straight vertical wire carries a steady current in the upward direction. Any electromagnetic wave produced by currents in wires is classified as a radio wave, the lowest frequency electromagnetic waves. Students then go through a series of activities to discover the causes of the aurora and their relation to Earth’s magnetosphere and solar storms. Electromagnetism. Magnetism Cloze: This cloze activity reviews some basic concepts about magnetism including magnetic poles and magnetic fields. Students observe the magnetic field around a closed circuit, investigate how electromagnetism can make a working motor, and build a temporary electromagnet by converting electricity into magnetism. Which provides evidence that magnetic force goes through cardboard? A. Welcome! This is one of over 2,200 courses on OCW. • Electricity and magnetism control human life. Worksheet: Electromagnetic Induction (revised 1/11/11) NAME_____ Changing magnetic flux through any closed loop creates an induced emf in that loop.