1. Magnets have a north and a south A. Color B. Pole D shape 2. A generator converts into A. Electrical energy, mechanical energy B. Electromagnetic induction, electrical energy C.AC DC D. Mechanical, electrical 3. Electromagnetic induction was discovered by A. Thomas Edison Benjamin Franklin B. Nikola Tesla D. Michael Faraday 4. When the rate of motion of the same coil of wire is increased through the same magnetic field, the wire will move across the magnetic lines A. faster, producing less induced current B. slower, producing less induced current C. faster, producing more induced current D. slower, producing more induced current 5. What basic principle enables ALL electric generators to operate? A. A closed-loop conductor within a changing magnetic field will have an induced electromotive force B. A current-carrying conductor placed within a magnetic field will experience a magnetic force. C. Tron is the only element that is magnetic D. Opposite electric charges attract and like charges repel. 6. The greater the number of loops in the coil of wire, the A. greater is the amount of heat produced B. smaller the magnetic field around the wire C. greater is the amount of induced voltage produced, D. greater is the amount of friction which results in lower induced voltage 7. In large generators in power plants rotate inside a coil of wire to produce an electric current A Wind C. Magnets B. Water D. Circuits 8. All of the following are parts of an AC generator except A. Magnets C. commutators B. slip rings D. carbon brushes 9. Which device uses mechanical energy to produce electrical energy? A. Electric motor c. Generator B. Magnet D. Solar Cell 10. Which is true about a generator? A. Induced voltage causes the coils of wire to rotate B. Current is supplied to the loop by an external source. C. Electric energy is input, mechanical energy is the output. D. Mechanical energy is the input, electrical energy is the output

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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1. Magnets have a north and a south A. Color B. Pole D shape 2. A generator converts into A. Electrical energy, mechanical energy B. Electromagnetic induction, electrical energy C.AC DC D. Mechanical, electrical 3. Electromagnetic induction was discovered by A. Thomas Edison Benjamin Franklin B. Nikola Tesla D. Michael Faraday 4. When the rate of motion of the same coil of wire is increased through the same magnetic field, the wire will move across the magnetic lines A. faster, producing less induced current B. slower, producing less induced current C. faster, producing more induced current D. slower, producing more induced current 5. What basic principle enables ALL electric generators to operate? A. A closed-loop conductor within a changing magnetic field will have an induced electromotive force B. A current-carrying conductor placed within a magnetic field will experience a magnetic force. C. Tron is the only element that is magnetic D. Opposite electric charges attract and like charges repel. 6. The greater the number of loops in the coil of wire, the A. greater is the amount of heat produced B. smaller the magnetic field around the wire C. greater is the amount of induced voltage produced, D. greater is the amount of friction which results in lower induced voltage 7. In large generators in power plants rotate inside a coil of wire to produce an electric current A Wind C. Magnets B. Water D. Circuits 8. All of the following are parts of an AC generator except A. Magnets C. commutators B. slip rings D. carbon brushes 9. Which device uses mechanical energy to produce electrical energy? A. Electric motor c. Generator B. Magnet D. Solar Cell 10. Which is true about a generator? A. Induced voltage causes the coils of wire to rotate B. Current is supplied to the loop by an external source. C. Electric energy is input, mechanical energy is the output. D. Mechanical energy is the input, electrical energy is the output

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