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Power Electronics

Power Electronics
A diac is turned on by ___________.

Gate voltage
None of these
Gate current
A breakover voltage

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Power Electronics
To meet high current demand we use SCRs in

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

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Power Electronics
Which of following is not a power transistor?

 SITS.
 COOLMOS.
 IGBTs.
  TRIAC.

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Power Electronics
Leakage current flows through the thyristor in

 forward blocking mode.
  both forward and reverse blocking mode.
 reverse blocking mode.
 forward conduction mode.

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Power Electronics
A power semiconductor may undergo damage due to

 Low dv/dt.
 High dv/dt.
 Low di/dt.
  High di/dt.

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Power Electronics
A diac has ___________ terminals.

Two
Three
None of these
Four

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