Name:_______________
Date:__________
1. An electric current is generated when a coil of wire is moved in a _________ ________.
2. Most electric current is produced by _________.
3. The most commonly used fuels to generate electricity are the _______ ________.
4. ___________ generators use falling water to turn the blades of a turbine.
5. The fuel used to power a nuclear power plant is ________ _____.
6. ________ is a uranium by-product used to make nuclear weapons.
7. A __________ is a device that changes heat energy into electricity.
8. Elements such as ________, ________ and _______release electrons when exposed to light.
9. _______ ______ are used to recharge the batteries found in solar powered calculators.
10. The main limitation to solar cells is_______________________.
11. Electricity is most efficiently transported at _________ voltage and ________ amps.
12. Transformers step-up and step-down voltage through _________.
13. __________ discovered that an alternating current in one circuit will induce an alternating current in another circuit.
14. Transformers only work on __________ current.
15. The _______coil delivers the electric current to an iron core.
16. Electric current is induced in the _________ coil.
17. If the number of loops in the primary and secondary coils are equal, the induced voltage in the secondary coil will be the _______ as that in the primary coil.
18. If there are more loops in the secondary coil than in the primary coil, the voltage in the secondary coil will be _______ than the voltage in the primary coil.
19. If there are more loops in the primary coil than the secondary coil, this is a step-_________ transformer.
20. The part of the cell where electrons collect is called the ____________ terminal.
21. The part of the cell toward which the electrons move is called the ________ terminal.
22. The SI unit for current is the _________.
23. The SI unit for resistance is the ______.
24. Energy supplied per coulomb of charge passing through a conductor is called _________.
25. Energy removed per coulomb of charge passing through a cell is called ________.
26. A _______ is used to measure current.
27. A ________ is used to measure voltage drop.
28. A ________ contains two or more cells.
29. ________ is the kind of current commonly used for household appliances.
30. ________ is the kind of current in which the electrons move in one direction.
31. _________ is the SI unit for charge.
32. A circuit in which the path is unbroken is called a _________ circuit.
33. The SI unit for voltage is _______.