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  • Question

  • How long would it take the capacitor in the given circuit to completely discharge if the switch was

    How long would it take the capacitor in the given circuit to completely discharge if the switch was in position 2?


  • Options
  • A. 22 ms
  • B. 69 ms
  • C. 345 ms
  • D. 420 ms

  • Correct Answer
  • 420 ms 

    • More questions

    • 1. After the first time constant, a transient current has changed by _______________ %, leaving _______________ % remaining.

    • Options
    • A. 63.2, 36.8
    • B. 36.8, 63.2
    • C. 13.5, 86.5
    • D. 86.5, 13.5
      • Discuss
    • 2. A measure of the repeatability of a measurement of some quantity is

    • Options
    • A. error
    • B. precision
    • C. accuracy
    • D. significant
      • Discuss
    • 3. When an input signal reduces the channel size, the process is called:

    • Options
    • A. enhancement
    • B. substrate connecting
    • C. gate charge
    • D. depletion
      • Discuss
    • 4. 

      What voltage will the capacitor charge up to in the given circuit for the single input pulse shown?


    • Options
    • A. 3.15 V
    • B. 4.3 V
    • C. 4.75 V
    • D. 4.9 V
      • Discuss
    • 5. Transistors are controlled to operate as a switch or to operate as a variable resistor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The voltmeter will read 18 volts.


    • Options
    • A. True
    • B. False
      • Discuss
    • 7. When does maximum power transfer happen from the source to the load?

    • Options
    • A. When the source resistance is greater than the load resistance
    • B. When the source resistance is less than the load resistance
    • C. When there is negligible source resistance
    • D. When the source resistance equals the load resistance
      • Discuss
    • 8. What is the impedance of a series RC circuit that consists of a 0.22 µF capacitor and a 200-ohm resistor connected to a 3 kHz source?

    • Options
    • A. 214 ohms
    • B. 313 ohms
    • C. 414 ohms
    • D. 880 ohms
      • Discuss
    • 9. What is the frequency of this 555 astable multivibrator?


    • Options
    • A. 278 Hz
    • B. 178 Hz
    • C. 78 Hz
    • D. 8 Hz
      • Discuss
    • 10. An 8 V power source is charging a capacitor. How many volts will be across the capacitor at the second time constant?

    • Options
    • A. 1 volt
    • B. 3 volts
    • C. 5 volts
    • D. 7 volts
      • Discuss

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