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Power Electronics

Power Electronics
IGBT combines the advantages of

 BJTs and SITs.
  BJTs and MOSFETs.
 None of these.
 SITs and MOSFETs.

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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?

  3.3 µs
 3.2 µs
 3 µs.
 3.1 µs

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Power Electronics
The typical time of rising time lies between

  1 - 4 µs.
 10 - 20 µs.
 40 - 60 µs.
 90 - 100 µs.

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

Remains the same
Is increased
None of these
Is decreased

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Power Electronics
A UJT is sometimes called ___________ diode.

Low resistance
High resistance
Single-base
Double-base

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Power Electronics
After peak point, the UJT operates in the ___________ region.

Negative resistance
Saturation
None of these
Cut-off

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