Power Electronics Rise time is defined by the interval when gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. 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 Not turn on. Turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Not turn on. Turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Transistor Triac Diac UJT Transistor Triac Diac UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Microwave transistor. Schottky diode. Power MOSFET. BJT. Microwave transistor. Schottky diode. Power MOSFET. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
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