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Power Electronics

Power Electronics
Which of the following is used in heat sink?

 Carbon.
  Aluminium.
 Silver.
 Iron.

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Power Electronics
A Triac has three terminals viz ___________

Cathode, anode, gate
Two main terminal and a gate terminal
Drain, source, gate
None of these

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Power Electronics
A power MOSFET has three terminals called

 Collector, emitter and gate.
 Collector, emitter and base.
 Drain, source and base.
  Drain, source and gate.

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Power Electronics
The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant

UJT
Transistor
None of these
SCR

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Power Electronics
What may happen high dV / dt?

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

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Power Electronics
SITH is also known as

 Silicon controlled rectifier.
 Filled controlled rectifier.
 None of these.
  Filled controlled diode.

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