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Power Electronics

Power Electronics
A triac is a ___________ switch

Bidirectional
None of these
Mechanical
Unidirectional

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Power Electronics
A single phase full bridge inverter can operate in load commutation mode in case load consists of

 RLC overdamped.
 RL.
 RLC critically damped.
  RLC underdamped.

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Power Electronics
When the temperature increases, the intrinsic stand off ratio ___________.

Decreases
Increases
None of these
Essentially remains the same

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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
Which one is most suitable power device for high frequency (>100 KHz) switching application?

 Schottky diode.
 Microwave transistor.
  Power MOSFET.
 BJT.

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Power Electronics
The UJT may be used as ___________.

Am amplifier
A sawtooth generator
None of these
A rectifier

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