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Power Electronics

Power Electronics
Under over voltage condition impedance offered by the voltage clamping device is

 infinity.
  low.
 moderate.
 high.

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Power Electronics
A UJT is sometimes called ___________ diode.

Double-base
Low resistance
Single-base
High resistance

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Power Electronics
The normal way to turn on a diac is by ___________.

Gate voltage
None of these
Breakover voltage
Gate current

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Power Electronics
A single phase full bridge inverter can operated in load commutation mode in case load consist of

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

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Power Electronics
A power MOSFET has three terminals called

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

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Power Electronics
The UJT may be used as ___________.

Am amplifier
A rectifier
None of these
A sawtooth generator

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