Across
- 1. Rotating magnets within loops of conducting material such as copper metal.
- 4. Electric current whose flow of charge is always in one direction
- 6. Faraday’s law states that the induced voltage in a coil is ________ to the product of the number of loops.
- 7. Electric current can be produced in a wire by simply moving a magnet into or out of a wire...
- 9. The phenomenon of inducing voltage by changing the magnetic field around a conductor is electromagnetic...
- 11. A ________ electron constitutes a charge in motion and thus creates another magnetic field.
- 12. Alternating current electrons oscillate ________ cycles per second.
- 13. Like poles repel; opposite poles...
- 15. Whereas electric charges produce electrical forces,regions called...
- 16. A current-carrying coil of wire with many loops is an...
- 18. An electric ________ produces a magnetic field.
- 19. describes the relationship between induced voltage and rate of change of a magnetic field.
Down
- 2. produce direct current
- 3. A machine that produces electric current by rotating a coil within a stationary magnetic field is called a...
- 5. Electric current that repeatedly reverses direction.
- 7. A magnetic field is produced by the motion of electric...
- 8. The greater the number of ________ of wire that move in a magnetic field, the greater are the induced voltage and the current in the wire.
- 10. The ________ of the magnetic field outside a magnet is from the north to the south pole.
- 14. EM induction is how we generate electricity at...
- 17. The space around a magnet, in which a magnetic force is exerted, is filled with a...