Power Electronics MCQs Part 5

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Electrical Engineering MCQs – Power Electronics MCQ Questions

The typical value of SCR for modern alternator is

The typical value of SCR for modern alternator is

  1. 0.5
  2. 1
  3. 1.2
  4. 1.5

Correct answer: 1. 0.5

In case of a P1N1P2N2 thyristor, the layer that is less doped

In case of a P1N1P2N2 thyristor, the layer that is less doped

  1. N1
  2. N2
  3. P1
  4. P2

Correct answer: 1. N1

A GTO can be turned on by applying

A GTO can be turned on by applying

  1. Positive drain signal
  2. Positive gate signal
  3. Positive source signal
  4. ZxNone of these

Correct answer: 2. Positive gate signal

SCR can be protected against thermal conditions by

SCR can be protected against thermal conditions by

  1. Using CB and fuse
  2. Using equalizing circuit
  3. Using heat sink
  4. Using snubber circuit

Correct answer: 3. Using heat sink

Which of below mentioned is a two terminal three-layer device

Which of below mentioned is a two terminal three-layer device

  1. BJT
  2. MOSFET
  3. Power diode
  4. ZxNone of above

Correct answer: 3. Power diode

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