Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.3 µs 3 µs. 3.1 µs 3.2 µs 3.3 µs 3 µs. 3.1 µs 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor A four-terminal device Like a bidirectional SCR None of these Not a thyristor A four-terminal device Like a bidirectional SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In inverse-parallel None of these In series In parallel In inverse-parallel None of these In series 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 In reverse blocking mode of a thyristor junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 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 J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 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
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