Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz 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 ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 80. 60. 90. 70. 80. 60. 90. 70. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A single junction device None of these A three junction device A triac without gate terminal A single junction device None of these A three junction device A triac without gate terminal ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device fast acting fuse. snubber circuit. metal oxide varistor. aluminium block. fast acting fuse. snubber circuit. metal oxide varistor. aluminium block. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. all. delay time. rise time. spread time. all. delay time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. A sawtooth generator Am amplifier A rectifier None of these A sawtooth generator Am amplifier A rectifier None of these ANSWER DOWNLOAD EXAMIANS APP
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