Power Electronics The device that exhibits negative resistance region is ___________. Diac Transistor Triac UJT Diac Transistor Triac UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Controlled switch. Amplifier with higher gain. Controlled transistor. Amplifier with large current gain. Controlled switch. Amplifier with higher gain. Controlled transistor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for Low power phase control. High power current control. Low power current control. High power phase control. Low power phase control. High power current control. Low power current control. High power phase control. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Peak-point voltage Intrinsic stand off ratio Negative resistance Bilateral conduction Peak-point voltage Intrinsic stand off ratio Negative resistance 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 if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS