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Power Electronics

Power Electronics
A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is

  37.14.
 60.
 3.714.
 65.

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Power Electronics
COOLMOS device can be used in application up to power range of

  2 KVA.
 1 KVA.
 500 VA.
 100 KVA.

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Power Electronics
A UJT is sometimes called ___________ diode.

Single-base
High resistance
Double-base
Low resistance

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Power Electronics
Snubber circuit is used with SCR

 anti parallel.
 either series or parallel.
  in parallel.
 in series.

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

Low
None of these
High
Extremely low

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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.
 RL.
 RLC underdamped.

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