Power Electronics The latching current of GTO should be of order 500 mA. 100 mA. 2 A. 1 A. 500 mA. 100 mA. 2 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Directly proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Directly proportional to supply voltage. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant UJT Transistor None of these SCR UJT Transistor None of these SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Saturation Negative resistance Cut-off None of these Saturation Negative resistance Cut-off None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP