Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region None of these Cut-off Negative resistance Saturation None of these Cut-off Negative resistance Saturation ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.01 A. 0.004 A. 0.009 A. 0.002 A. 0.01 A. 0.004 A. 0.009 A. 0.002 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. Three Four None of these Two Three Four None of these Two ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Decreases Remains the same None of these Increases Decreases Remains the same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to turn on process of the device. Both C and D. It is related to turn off process of the device. It is related to conduction process of device. It is related to turn on process of the device. Both C and D. It is related to turn off process of the device. It is related to conduction process of device. ANSWER DOWNLOAD EXAMIANS APP
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