Power Electronics Under over voltage condition impedance offered by the voltage clamping device is low. moderate. infinity. high. low. moderate. infinity. high. 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. Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. Turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics COOLMOS device can be used in application up to power range of 100 KVA. 1 KVA. 2 KVA. 500 VA. 100 KVA. 1 KVA. 2 KVA. 500 VA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative Both positive and negative Only positive None of these Only negative Both positive and negative Only positive None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 140 μs. 130 μs. 145 μs. 135 μs. 140 μs. 130 μs. 145 μs. 135 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same Is increased None of these Is decreased Remains the same Is increased None of these Is decreased ANSWER DOWNLOAD EXAMIANS APP
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