Power Electronics A triac has ___________ semiconductor layers. Four Five Two Three Four Five Two Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR anti parallel. either series or parallel. in series. in parallel. anti parallel. either series or parallel. in series. in parallel. 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 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to conduction process of device. It is related to turn on process of the device. It is related to turn off process of the device. Both C and D. It is related to conduction process of device. It is related to turn on process of the device. It is related to turn off process of the device. Both C and D. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 50 Hz frequency Frequencies above 1000 kHz Frequencies above 20 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 1000 kHz Frequencies above 20 kHz Frequencies less than 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Equalizing circuit. Snubber circuit. Fuse. Circuit breaker. Equalizing circuit. Snubber circuit. Fuse. Circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
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