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Power Electronics

Power Electronics
The UJT may be used as ___________.

Am amplifier
None of these
A rectifier
A sawtooth generator

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Power Electronics
A thyristor can termed as

  DC switch.
 Both a and B.
 AC switch.
 Square wave switch.

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Power Electronics
A modern power semiconductor device that combines the characteristic of BJT and MOSFET is

 MCT.
 FCT.
 GTO.
  IGBT.

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Power Electronics
Which triggering is the most reliable?

  Thermal triggering.
  Forward voltage triggering.
  Gate triggering.
  dV / dt triggering.

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Power Electronics
Which of the following is used in SCR to protect from high dV / dt?

 Circuit breaker.
 Equalizing circuit.
  Snubber circuit.
 Fuse.

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Power Electronics
A power semiconductor may undergo damage due to

  High di/dt.
 Low dv/dt.
 Low di/dt.
 High dv/dt.

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