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

  • With a 500 kHz signal source, what would be the value of a capacitor yielding a capacitive reactance of 1 k Ω?


  • Options
  • A. 318 pF
  • B. 2 nF
  • C. 3.18 µF
  • D. 2 F

  • Correct Answer
  • 318 pF 

    • More questions

    • 1. 

      What is the resistor value in the given circuit?


    • Options
    • A. 200 Ω
    • B. 1 kΩ
    • C. 2 kΩ
    • D. 4 kΩ
      • Discuss
    • 2. According to the commutative law, in ORing and ANDing of two variables, the order in which the variables are ORed or ANDed makes no difference.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 

      What is the voltage across the inductor in the given circuit on the falling edge of the first input pulse?


    • Options
    • A. ?0.2 V
    • B. 0.2 V
    • C. ?9.8 V
    • D. 9.8 V
      • Discuss
    • 4. 

      Which of the following statements is true if R1 opens in the circuit in the given circuit?


    • Options
    • A. IL2 increases.
    • B. ZT decreases.
    • C. VS increases.
    • D. VL1 equals 0 V.
      • Discuss
    • 5. 

      With the frequency given, the circuit in the given circuit is operating above resonance.


    • Options
    • A. True
    • B. False
      • Discuss
    • 6. 

      The total current in the given circuit equals _____.


    • Options
    • A. 86 mA
    • B. 170 mA
    • C. 42 mA
    • D. 128 mA
      • Discuss
    • 7. The unit of flux density is known as

    • Options
    • A. magnetomotive force
    • B. a weber
    • C. a maxwell
    • D. a tesla
      • Discuss
    • 8. 

      The cutoff frequency of the circuit in the given circuit is approximately equal to _____.


    • Options
    • A. 21 Hz
    • B. 60 Hz
    • C. 0 Hz
    • D. 365 Hz
      • Discuss
    • 9. All of the following are basic op-amp input modes of operation EXCEPT

    • Options
    • A. inverting mode
    • B. common-mode
    • C. double-ended
    • D. single-ended
      • Discuss
    • 10. A triangle wave consists of repeating:

    • Options
    • A. positive ramps only
    • B. negative ramps only
    • C. positive and negative ramps of equal value
    • D. positive and negative ramps of unequal value
      • Discuss

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