Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 300 µs. 150 µs. 200 µs. 100 µs. 300 µs. 150 µs. 200 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics COOLMOS device can be used in application up to power range of 500 VA. 2 KVA. 1 KVA. 100 KVA. 500 VA. 2 KVA. 1 KVA. 100 KVA. 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 Which of the following is not a characteristic of UJT? Negative resistance Intrinsic stand off ratio Bilateral conduction Peak-point voltage Negative resistance Intrinsic stand off ratio Bilateral conduction Peak-point voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a UJT, the p-type emitter is ___________ doped Moderately Lightly None of these Heavily Moderately Lightly None of these Heavily ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. SCR Diac FET Triac SCR Diac FET Triac ANSWER DOWNLOAD EXAMIANS APP
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