Power Electronics A diac has ___________ terminals. Four Three Two None of these Four Three Two None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low voltage demand. high current demand. low current demand. high voltage demand. low voltage demand. high current demand. low current demand. high voltage demand. 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 ? 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device snubber circuit. aluminium block. fast acting fuse. metal oxide varistor. snubber circuit. aluminium block. fast acting fuse. metal oxide varistor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. None of these Cut-off Saturation Negative resistance None of these Cut-off Saturation Negative resistance 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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