Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 100 µs. 3 - 500 µs. 3 - 10 µs. 3 - 50 µs. 3 - 100 µs. 3 - 500 µs. 3 - 10 µs. 3 - 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate current Gate voltage None of these Breakover voltage Gate current Gate voltage None of these Breakover voltage 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 pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device metal oxide varistor. aluminium block. snubber circuit. fast acting fuse. metal oxide varistor. aluminium block. snubber circuit. fast acting fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of None of these. BJTs and MOSFETs. SITs and MOSFETs. BJTs and SITs. None of these. BJTs and MOSFETs. SITs and MOSFETs. BJTs and SITs. ANSWER DOWNLOAD EXAMIANS APP
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