Power Electronics Rise time is defined by the interval when gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC overdamped. RL. RLC critically damped. RLC underdamped. RLC overdamped. RL. RLC critically damped. RLC underdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is FCT. GTO. MCT. IGBT. FCT. GTO. MCT. IGBT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with higher gain. Amplifier with large current gain. Controlled transistor. Controlled switch. Amplifier with higher gain. Amplifier with large current gain. Controlled transistor. Controlled switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased Is increased None of these Remains the same Is decreased Is increased None of these Remains the same 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. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
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