Power Electronics After peak point, the UJT operates in the ___________ region. Negative resistance Cut-off Saturation None of these Negative resistance Cut-off Saturation None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 2 KV. 6 KV. 8 KV. 10 KV. 2 KV. 6 KV. 8 KV. 10 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device snubber circuit. metal oxide varistor. aluminium block. fast acting fuse. snubber circuit. metal oxide varistor. aluminium block. fast acting fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Three Five Two Four Three Five Two Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. None of these Decreases Essentially remains the same Increases None of these Decreases Essentially remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
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