Power Electronics The latching current of SCR is 20 mA. Its holding current will be 10 mA. 40 mA. 60 mA. 23 mA. 10 mA. 40 mA. 60 mA. 23 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device fast acting fuse. metal oxide varistor. snubber circuit. aluminium block. fast acting fuse. metal oxide varistor. snubber circuit. aluminium block. 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 The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 130 μs. 145 μs. 140 μs. 135 μs. 130 μs. 145 μs. 140 μs. 135 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same Is decreased Is increased None of these Remains the same Is decreased Is increased None of these ANSWER DOWNLOAD EXAMIANS APP
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