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Home ‣ Electronics ‣ Time Response of Reactive Circuits See What Others Are Saying!
  • Question

  • How long will it take the capacitor in the given circuit to discharge? 16.4 µs 32.8 µs 65.6 µs 82 µs

    How long will it take the capacitor in the given circuit to discharge?


  • Options
  • A. 16.4 µs
  • B. 32.8 µs
  • C. 65.6 µs
  • D. 82 µs

  • Correct Answer
  • 82 µs 

    • More questions

    • 1. The voltage across R1 is 10 volts.


    • Options
    • A. True
    • B. False
      • Discuss
    • 2. By increasing the resistance of a coil you can increase the Q of the coil at resonance.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Changing ________ can control the voltage gain of a common-source amplifier.

    • Options
    • A. the input voltage
    • B. gm
    • C. VDD
    • D. RS
      • Discuss
    • 4. 

      What is the power dissipated in the primary of the transformer in the given circuit?


    • Options
    • A. 25 mW
    • B. 500 mW
    • C. 12.5 W
    • D. 62.5 W
      • Discuss
    • 5. In a binary-weighted digital-to-analog converter (DAC), the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.

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

      In the given circuit, if Rf is reduced to 8 kΩ, the circuit becomes the ______.


    • Options
    • A. digital-to-analog converter
    • B. averaging amplifier
    • C. scaling adder
    • D. summing amplifier with gain greater than unity
      • Discuss
    • 7. Initially, the closed-loop gain (Acl) of a Wien-bridge oscillator should be

    • Options
    • A. Acl < 3
    • B. Acl > 3
    • C. 0
    • D. Acl ≅ 1
      • Discuss
    • 8. The center frequency of a band-pass filter is always equal to the

    • Options
    • A. bandwidth
    • B. ?3 dB frequency
    • C. bandwidth divided by Q
    • D. geometric average of the critical frequencies
      • Discuss
    • 9. If a calculator display was "0.00263," what would this answer be in percent?

    • Options
    • A. 0.026%
    • B. 0.26%
    • C. 2.63%
    • D. 26.3%
      • Discuss
    • 10. A practical CE amplifier has the input on the base and the output taken off the emitter.

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

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