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Home ‣ Electronics ‣ Resistance and Power Comments
  • Question

  • The resistive track of a rheostat or potentiometer can be classified as having either a linear or tapered resistance.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Resistance and Power problems

    Search Results

    • 1. 4 amperes will flow through a 10 Ω resistor if 20 volts are placed across the resistor.

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

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

    • Options
    • A. 1
    • B. 2
    • C. capacitive
    • D. resistive
      • Discuss
    • 4. The precision rectifier circuit is designed to _________.

    • Options
    • A. rectify waveforms with very large voltage swings
    • B. rectify waveforms with very small voltage swings
    • C. rectify precision waveforms
    • D. amplify and rectify waveforms
      • Discuss
    • 5. If an operational transconductance amplifier (OTA) is used as an amplitude modulator, the voltage gain is varied by applying a _________ voltage to the ______ input.

    • Options
    • A. demodulation, bias
    • B. modulation, bias
    • C. bias, modulation
    • D. low-frequency, bias
      • Discuss
    • 6. Carbon composition resistors are the most common and the least expensive type of fixed-value resistor.

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

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

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

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

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

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