Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Diac Transistor Triac UJT Diac Transistor Triac UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. High resistance Low resistance Single-base Double-base High resistance Low resistance Single-base Double-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the discharging current. To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. To minimize the charging current. All of these. To minimize the loss . ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
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