Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.01 A. 0.009 A. 0.002 A. 0.004 A. 0.01 A. 0.009 A. 0.002 A. 0.004 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Negative resistance Peak-point voltage Intrinsic stand off ratio Bilateral conduction Negative resistance Peak-point voltage Intrinsic stand off ratio ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease di / dt. decrease dV / dt. increase dV / dt. suppress dV / dt. decrease di / dt. decrease dV / dt. increase dV / dt. suppress dV / dt. 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 ? 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Decreases Increases None of these Remains the same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). of long period. both (A) and (B). of short duration. neither (A) nor (B). of long period. both (A) and (B). of short duration. ANSWER DOWNLOAD EXAMIANS APP
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