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Power Electronics

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

 N2.
 P1.
  N1.
 P2.

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Power Electronics
To meet high current demand we use SCRs in

  parallel connection.
 both B and C.
 anti parallel connection.
 series connection.

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Power Electronics
The maximum di/dt in a SCR is

 Directly proportional to supply voltage.
 Directly proportional to inductance in the circuit.
  Both A and B.
 Inversely proportional to supply voltage.

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Power Electronics
The typical value of SCR for modern alternator is

 1.5.
 1.0.
 1.2.
 0.5.

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Power Electronics
SITH is also known as

  Filled controlled diode.
 Filled controlled rectifier.
 Silicon controlled rectifier.
 None of these.

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Power Electronics
What may happen high dV / dt?

 Breakdown of J2 junction.
 Unwanted turn ON.
 Anyone of these.
  Both A and B.

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MORE MCQ ON Power Electronics

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