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Power Electronics

Power Electronics
The typical value of SCR for modern alternator is

 1.2.
 0.5.
 1.0.
 1.5.

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Power Electronics
During reverse recovery time

 charge carrier of junction J2 recombined.
  both B and C.
 charge carrier of junction J1 is swept out.
 charge carrier of junction J3 is swept out.

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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.
  RLC underdamped.
 RL.
 RLC critically damped.

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Power Electronics
Which of following devices has highest di/dt and dv/dt capability?

 SCR.
 SIT.
 SITH.
  GTO.

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Power Electronics
In a P1N1P2N2 thyristor which layer is less doped ?

 P1.
  N1.
 P2.
 N2.

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Power Electronics
The device that does not have the gate terminal is ___________.

Diac
Triac
SCR
FET

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