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. 100 µs. 300 µs. 150 µs. 200 µs. 100 µs. 300 µs. 150 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. A d.c. None of these A mechanical An c. A d.c. None of these A mechanical ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor 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. Junction J1, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Both A and B. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Both A and B. Inversely proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as Filled controlled rectifier. None of these. Silicon controlled rectifier. Filled controlled diode. Filled controlled rectifier. None of these. Silicon controlled rectifier. Filled controlled diode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High Low None of these Extremely low High Low None of these Extremely low ANSWER DOWNLOAD EXAMIANS APP
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