Power Electronics A diac has ___________ semiconductor layers Two Four None of these Three Two Four None of these Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.01 A. 0.004 A. 0.009 A. 0.002 A. 0.01 A. 0.004 A. 0.009 A. 0.002 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate voltage None of these Gate current Breakover voltage Gate voltage None of these Gate current Breakover voltage 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 power semiconductor may undergo damage due to High dv/dt. High di/dt. Low di/dt. Low dv/dt. High dv/dt. High di/dt. Low di/dt. Low dv/dt. ANSWER DOWNLOAD EXAMIANS APP
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