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Home Electronics Resistance and Power Comments

  • Question
  • The maximum potential a material can withstand without rupture is called breakdown voltage.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • Resistance and Power problems


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    • 1. Carbon composition resistors are the most common and the least expensive type of fixed-value resistor.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. 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
    • 3. 4 amperes will flow through a 10 Ω resistor if 20 volts are placed across the resistor.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A 2% 55 kΩ resistor would have a color coding of green, green, black, red, red.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The basic instrumentation amplifier has ________ input(s).

    • Options
    • A. 1
    • B. 2
    • C. capacitive
    • D. resistive
    • Discuss
    • 6. A protoboard is used to make experimental circuits.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. A digital voltmeter can be used to measure resistance.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Variable resistors have problems with the wiper making contact.

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

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

    • Options
    • A. True
    • B. False
    • Discuss


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