Power Electronics A diac has ___________ pn junctions Two Four Three None of these Two Four Three None of these 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 60. 80. 70. 90. 60. 80. 70. 90. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device fast acting fuse. aluminium block. metal oxide varistor. snubber circuit. fast acting fuse. aluminium block. metal oxide varistor. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which semiconductor device acts like a diode and two transistor? Diac. Triac. SCR. UJT. Diac. Triac. SCR. UJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Local hot spot. Insulation failure. Breakdown of junction. None of these. Local hot spot. Insulation failure. Breakdown of junction. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. ANSWER DOWNLOAD EXAMIANS APP
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