Power Electronics The UJT may be used as ___________. None of these Am amplifier A sawtooth generator A rectifier None of these Am amplifier A sawtooth generator A rectifier ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate Drain, source, gate None of these Two main terminal and a gate terminal Cathode, anode, gate Drain, source, gate None of these Two main terminal and a gate terminal ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. None of these Not a thyristor A four-terminal device Like a bidirectional SCR None of these Not a thyristor A four-terminal device Like a bidirectional SCR 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
Power Electronics A power semiconductor may undergo damage due to Low di/dt. Low dv/dt. High di/dt. High dv/dt. Low di/dt. Low dv/dt. High di/dt. High dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 1 - 1.5 V. 0.5 - 1 V. 0 - 0.5 V. 1.5 - 2 V. 1 - 1.5 V. 0.5 - 1 V. 0 - 0.5 V. 1.5 - 2 V. ANSWER DOWNLOAD EXAMIANS APP
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