Power Electronics Why resistor is used in Snubber circuit ? To minimize the discharging current. All of these. To minimize the loss . To minimize the charging current. To minimize the discharging current. All of these. To minimize the loss . To minimize the charging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these A d.c. A mechanical An c. None of these A d.c. A mechanical An c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in high voltage direct current transmission. low - voltage direct current transmission. medium voltage direct current transmission. all of these. high voltage direct current transmission. low - voltage direct current transmission. medium voltage direct current transmission. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 60° to 180°. 60° to 120°. 30° to 180°. 30° to 150°. 60° to 180°. 60° to 120°. 30° to 180°. 30° to 150°. 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. Not turn on. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in forward blocking mode. forward conduction mode. reverse blocking mode. both forward and reverse blocking mode. forward blocking mode. forward conduction mode. reverse blocking mode. both forward and reverse blocking mode. ANSWER DOWNLOAD EXAMIANS APP
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