Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 10 mA. 60 mA. 23 mA. 40 mA. 10 mA. 60 mA. 23 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1 and J2 is in forward bias and J3 is in reverse 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, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse 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, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.2. 0.7. 0.25. 0.75. 0.2. 0.7. 0.25. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Low resistance High resistance Double-base Single-base Low resistance High resistance Double-base Single-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Carbon. Silver. Iron. Aluminium. Carbon. Silver. Iron. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
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