Power Electronics Under normal operating condition voltage clamping device offers impedance of high value. moderate value. low value. zero value. high value. moderate value. low value. zero value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. High resistance Low resistance Single-base Double-base High resistance Low resistance Single-base Double-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device snubber circuit. aluminium block. metal oxide varistor. fast acting fuse. snubber circuit. aluminium block. metal oxide varistor. fast acting fuse. 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 Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. SCR Triac Diac FET SCR Triac Diac FET ANSWER DOWNLOAD EXAMIANS APP
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