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Power Electronics

Power Electronics
The latching current of GTO should be of order

 1 A.
  500 mA.
 2 A.
 100 mA.

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Power Electronics
Anode current in an SCR consists of

  Both electron and holes.
  either electron or holes.
  electrons only.
  holes only.

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Power Electronics
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is

  0.27.
  0.45.
  0.67.
  0.32.

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Power Electronics
The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is

  135 μs.
 140 μs.
 130 μs.
 145 μs.

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Power Electronics
The normal way to turn on a diac is by ___________.

None of these
Breakover voltage
Gate voltage
Gate current

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Power Electronics
A diac is simply ___________.

None of these
A single junction device
A three junction device
A triac without gate terminal

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