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Power Electronics

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

SCR
FET
Diac
Triac

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Power Electronics
A UJT has ___________.

One pn junction
Three pn junctions
Two pn junctions
None of these

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Power Electronics
The latching current of SCR is 20 mA. Its holding current will be

 40 mA.
  10 mA.
 60 mA.
 23 mA.

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Power Electronics
Why resistor is used in Snubber circuit ?

  To minimize the discharging current.
 To minimize the loss .
 To minimize the charging current.
 All of these.

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Power Electronics
A power semiconductor may undergo damage due to

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

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Power Electronics
A power MOSFET has three terminals called

 Collector, emitter and base.
 Drain, source and base.
 Collector, emitter and gate.
  Drain, source and gate.

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