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Home ‣ Electronics ‣ Resistance and Power Comments
  • Question

  • Variable resistors have problems with the wiper making contact.


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • Resistance and Power problems

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    • 1. A digital voltmeter can be used to measure resistance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A protoboard is used to make experimental circuits.

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    • A. True
    • B. False
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    • 3. The maximum potential a material can withstand without rupture is called breakdown voltage.

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    • A. True
    • B. False
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    • 4. Carbon composition resistors are the most common and the least expensive type of fixed-value resistor.

    • Options
    • A. True
    • B. False
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    • 5. The resistive track of a rheostat or potentiometer can be classified as having either a linear or tapered resistance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A 12-volt battery is delivering 3 amperes to a resistor. The power dissipated by the resistor is 4 watts.

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    • A. True
    • B. False
      • Discuss
    • 7. Fixed-value resistors can internally short-circuit.

    • Options
    • A. True
    • B. False
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    • 8. A load resistance is the resistance of the load.

    • Options
    • A. True
    • B. False
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    • 9. Resistance is inversely proportional to current.

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    • A. True
    • B. False
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    • 10. A resistor with a value of 9.9 kΩ 10% could have a value between 8.91 kΩ and 10.89 kΩ.

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    • A. True
    • B. False
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