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Power Electronics

Power Electronics
In a UJT, the p-type emitter is ___________ doped

Heavily
None of these
Moderately
Lightly

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

 GTO.
 MCT.
 FCT.
  IGBT.

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Power Electronics
What may happen high dV / dt?

  Both A and B.
 Anyone of these.
 Unwanted turn ON.
 Breakdown of J2 junction.

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Power Electronics
The triac is ___________.

A four-terminal device
Like a bidirectional SCR
None of these
Not a thyristor

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Power Electronics
A triac is equivalent to two SCRs ___________.

None of these
In parallel
In series
In inverse-parallel

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Power Electronics
Materials used in heat sink should have

 large surface area.
 high melting point.
  All of these.
 high thermal conductivity.

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