Power Electronics A diac is ___________ switch A mechanical A d.c. None of these An c. A mechanical A d.c. None of these An c. ANSWER DOWNLOAD EXAMIANS APP
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. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Three pn junctions Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ None of these Drain, source, gate Two main terminal and a gate terminal Cathode, anode, gate None of these Drain, source, gate Two main terminal and a gate terminal Cathode, anode, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Low Extremely low High None of these Low Extremely low High None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
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