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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 UJT is sometimes called ___________ diode.

Low resistance
High resistance
Double-base
Single-base

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Power Electronics
When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________.

High
Low
Extremely low
None of these

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Power Electronics
ON state voltage drop across SCR lie between the range

 0.5 - 1 V.
 1.5 - 2 V.
 0 - 0.5 V.
  1 - 1.5 V.

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Power Electronics
A triac is a ___________ switch

Bidirectional
None of these
Unidirectional
Mechanical

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Power Electronics
Maximum power loss occurs during

  rise time.
 delay time.
 all.
 spread time.

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