Power Electronics Spread time is defined as the interval during which both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. 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 When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same Is decreased None of these Is increased Remains the same Is decreased None of these Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. Triac Diac SCR FET Triac Diac SCR FET ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. A breakover voltage Gate current None of these Gate voltage A breakover voltage Gate current None of these Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive gate signal. Positive source signal. None of these. Positive drain signal. Positive gate signal. Positive source signal. None of these. Positive drain signal. 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
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