Power Electronics Which triggering is the most reliable? Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. 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 120°. 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 30° to 150°. 30° to 180°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 120 A. 150 A. 100 A. 110 A. 120 A. 150 A. 100 A. 110 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Unidirectional Mechanical Bidirectional None of these Unidirectional Mechanical Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
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