Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Decreases Remains the same Increases None of these Decreases Remains the same Increases 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 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions Four Two None of these Three Four Two None of these Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A mechanical An c. A d.c. None of these A mechanical An c. A d.c. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC critically damped. RLC overdamped. RLC underdamped. RL. RLC critically damped. RLC overdamped. RLC underdamped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using fuse. snubber circuit. heat sink. voltage clamping device. fuse. snubber circuit. heat sink. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
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