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Power Electronics

Power Electronics
A modern power semiconductor device that combines the characteristic of BJT and MOSFET is

 MCT.
  IGBT.
 GTO.
 FCT.

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Power Electronics
Power transistor are type of

 MOSFETs.
 BJTs.
 IGBTs.
  All of above.

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Power Electronics
When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________

Is increased
Remains the same
None of these
Is decreased

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Power Electronics
BCT is used for

 High power current control.
 Low power current control.
  High power phase control.
 Low power phase control.

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Power Electronics
A diac is simply ___________.

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

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Power Electronics
If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR?

 3.1 µs
 3 µs.
  3.3 µs
 3.2 µs

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