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Questions and Answers

1. Describe two power sources used in a vehicle
2. Explain the term “load” and how it is used in a circuit?
3. Describe two types of resistors and how each is used?
4. Explain the color code of a resistor that is: brown, orange, red, silver.

5.Describe a “stepped resistor” and how it differs from a “fixed resistor”

6. List and describe three type of “variable resistance”
7. Explain how NTC thermistor differs from a PTC
8. List 6 types of switches used in automobile
9. Describe two circuits used in a relay
10. Explain how a “relay” differs from a “solenoid”
11. Explain how current flows into a capacitor.
12. Explain the term semi-conductors
13. Explain the term “integrated circuit”
14. list 3 types of circuit protective device
15. Describe the basic construction of a “fuse” or “fuse element”
16. Explain how a “fuse element” is different from a “fusible link”
17. Describe the basic construction of a “circuit breaker”

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