Power Electronics SCRs are used in series to meet low voltage demand. high voltage demand. high current demand. low current demand. low voltage demand. high voltage demand. high current demand. low current demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which following is a two terminal three layer device? Power dioed. BJT. None of above. MOSFET. Power dioed. BJT. None of above. MOSFET. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. Increases Decreases Essentially remains the same None of these Increases Decreases Essentially remains the same None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. 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 ? 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is both (A) and (B). of short duration. neither (A) nor (B). of long period. both (A) and (B). of short duration. neither (A) nor (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
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