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  • Question
  • In figure v1 = 8 V and v2 = 8 V. Which diode will conduct?
    In figure v1 = 8 V and v2 = 8 V. Which diode will conduct? D1 only D2 only Both D1 and D2 Neither D1


  • Options
  • A. D1 only
  • B. D2 only
  • C. Both D1 and D2
  • D. Neither D1 nor D2

  • Correct Answer
  • Both D1 and D2 

    Explanation
    Both D1 and D2 are forward biased.

    More questions

    • 1. The most important primary force of attraction in the formation of solids is

    • Options
    • A. electromagnetic
    • B. electrostatic
    • C. quantum-electrostatic
    • D. quantum electromagnetic
    • Discuss
    • 2. In a stop-and-wait ARQ system, the transmitting terminal

    • Options
    • A. waits for positive or negative acknowled-gement from the receiving terminal after sending a block
    • B. sends another block if positive acknowledge is received through ACK character
    • C. resends the previous block if negative acknowledgement is received through a NAK character
    • D. does not wait for acknowledgement after sending a block
    • Discuss
    • 3. In a bipolar transistor the barrier potential

    • Options
    • A. 0
    • B. a total of 0.7 V
    • C. 0.7 V across each depletion layer
    • D. 0.35 V
    • Discuss
    • 4. Induction heating systems require low frequency inverters.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. An electron for which l = 0 has zero orbital magnetic dipole moment.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. A single phase full converter can operate in

    • Options
    • A. 4 quadrants
    • B. 3 quadrants
    • C. 2 quadrants
    • D. 1 quadrant
    • Discuss
    • 7. For the circuit in the given figure, V2(s)/V1(s) =

    • Options
    • A.
    • B.
    • C.
    • D.
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    • 8. A single phase step up cycloconverter changes 50 Hz to 100 Hz. Then one half wave of input will give rise to

    • Options
    • A. one half wave of output
    • B. one full wave of output
    • C. two full waves of output
    • D. either (b) or (c)
    • Discuss
    • 9. Which of the following is true about an impulse voltage?

    • Options
    • A. It is a unidirectional voltage
    • B. Chopped impulse flashover does not occur
    • C. Time taken to rise is equal to time taken to fall
    • D. RMS value is always less than 50% of average value
    • Discuss
    • 10. 8085 has 6 sign flags.

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


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