Power Electronics A diac is simply ___________. None of these A three junction device A single junction device A triac without gate terminal None of these A three junction device A single junction device A triac without gate terminal ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 100 µs. 3 - 10 µs. 3 - 500 µs. 3 - 50 µs. 3 - 100 µs. 3 - 10 µs. 3 - 500 µs. 3 - 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. neither (A) nor (B). both (A) and (B). of long period. of short duration. neither (A) nor (B). both (A) and (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 5 KHz. 60 KHz. 10 KHz. 100 KHz. 5 KHz. 60 KHz. 10 KHz. 100 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Like a bidirectional SCR Not a thyristor None of these A four-terminal device Like a bidirectional SCR Not a thyristor None of these A four-terminal device 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 0.3 ohm 0.3 ohm 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm 0.03 ohm ANSWER DOWNLOAD EXAMIANS APP
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