Power Electronics A diac is ___________ switch None of these An c. A mechanical A d.c. None of these An c. A mechanical A d.c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. Gate current None of these A breakover voltage Gate voltage Gate current None of these A breakover voltage Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. None of these Low High Extremely low None of these Low High Extremely low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.45. 0.32. 0.27. 0.67. 0.45. 0.32. 0.27. 0.67. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Snubber circuit. Fuse. Circuit breaker. Equalizing circuit. Snubber circuit. Fuse. Circuit breaker. Equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 0.3 ohm 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm 0.03 ohm 3.0 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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