AT 121 - Chapter 3 - Basic Electrical Principals - Spring 2008
Name: __________________________________________ Date: __________________
1. The resistance in a conductor _____________________ as the length increases.
2. The opposition to the flow of electricity in a circuit is called _____________________.
3. If the switch in a circuit is turned 'OFF,' then the circuit is ______________________.
4. Resistance to the flow of electricity is measured in ______________________.
5. If a circuit is open, then there is no ______________________ in the circuit.
6. The flow of electricity is called ______________________.
7. As the resistance in a circuit increases, the current flow will _______________________.
8. Electrical power is measured in _______________________.
9. Electrical force is measured in ________________________.
10. The resistance in a conductor ____________________ as the diameter gets larger
11. The resistance in a conductor ___________________ as the temperature decreases.
12. A voltage __________________________ occurs when the current flows through a load.
13. What component(s) are required for a basic circuit?
_____________________________________________________________________________
14. Electrical current is measured in ______________________.
15. Examples of good conductors are...
A. Rubber and plastic
B. Gold and copper
C. Wood and glass
D. Silicon and germanium
16. A thick wire will have ...
A. More resistance than a thinner wire made of the same material.
B. More resistance than a long wire.
C. Less resistance than a thinner wire made of the same material.
17. Examples of good insulators are...
A. Steel and aluminum
B. Rubber and plastic
C. Gold and copper
D. Carbon and silver
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