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Home ‣ Electronics ‣ Inductors See What Others Are Saying!
  • Question

  • The opposition to ac by an inductor is directly proportional to ___.


  • Options
  • A. resistance
  • B. reactance
  • C. frequency
  • D. voltage

  • Correct Answer
  • frequency 

    • More questions

    • 1. 

      If the load in the given circuit is 80 kΩ , what is the bleeder current?


    • Options
    • A. 196 µ A
    • B. 1.96 mA
    • C. 2 mA
    • D. 2.16 mA
      • Discuss
    • 2. A thermistor's temperature characteristic is essentially _________.

    • Options
    • A. linear
    • B. logarithmic
    • C. nonlinear
    • D. geometric
      • Discuss
    • 3. Which resistive component is designed to be temperature sensitive?

    • Options
    • A. Thermistor
    • B. Rheostat
    • C. Potentiometer
    • D. Photoconductive cell
      • Discuss
    • 4. 

      The total current in the given circuit is ___.


    • Options
    • A. 2.5 mA
    • B. 0.6 mA
    • C. 1.5 mA
    • D. 0.4 mA
      • Discuss
    • 5. If the impedance equals 2 kΩ in a parallel RC circuit, the admittance equals ___.

    • Options
    • A. More information is needed in order to find the admittance.
    • B. 2 kS
    • C. 4 kS
    • D. 500 µS
      • Discuss
    • 6. 

      Calculate the positive-going slope of the waveform in the given circuit.


    • Options
    • A. 5 V/ms
    • B. 2.5 V/ms
    • C. 2.5 V/s
    • D. 5 V/s
      • Discuss
    • 7. A circuit is parallel between two points if ___ between those two points.

    • Options
    • A. the voltage divides
    • B. more than one current path exists
    • C. all resistors are equal
    • D. there is only one current path
      • Discuss
    • 8. If XL= 100 Ω and R = 100 Ω, then impedance will be

    • Options
    • A. 141.4 Ω
    • B. 14.14 Ω
    • C. 100 Ω
    • D. 200 Ω
      • Discuss
    • 9. The total resistance is 480 Ω.


    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A multiplexer is a device that outputs a fixed sequence of binary states on each clock pulse.

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

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