In its application, an SUS behaves in the same way as

The uncontrolled electronic switch employed in power-electronic converters is

The SCR is turned-off when the anode current falls below

Thyristor A has rated gate current of 2 A and thyristor B is a rated gate current of 100 mA

A UJT has one base resistance of 5.2 k. Its intrinsic stand of ratio is 0.67. The inter-base voltage of 12 V is applied across the two passes. The value of base current will be

With gate open, a SCR can be turned-on by making supply voltage

The normal way to close a SCR is by

In a GTO, anode current begins to fall when gate current

In a SCR circuit, the angle of conduction can be changed by changing

When a UJT is used for triggering of an SCR, the waveshape of the voltage is a

When transistors are used in series or parallel, a snubber circuit is used to

In a UJT, maximum value of charging resistance is associated with

UJT oscillators are used for gate-triggering of thyristors for

In a GTO, anode current begins to fall when gate current

The device which cannot be triggered by voltage of either polarity is

Equalising circuits are provided across each SCR in series operation to pro- vide uniform

Derating factors for parallel connection of thyristors are normally in the range

A conducting SCR can be opened by reducing __________ to zero.

In series connection, thyristor having the highest leakage resistance or low voltage current will share

Which semiconductor power device out of the following is not a current trig- gered device?