Power Electronics The latching current of SCR is 20 mA. Its holding current will be 23 mA. 60 mA. 40 mA. 10 mA. 23 mA. 60 mA. 40 mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Breakdown of J2 junction. Anyone of these. Unwanted turn ON. Both A and B. Breakdown of J2 junction. Anyone of these. Unwanted turn ON. Both A and B. 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 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers Two None of these Three Four Two None of these Three Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP