A GTO can be turned on by applying Positive source signal. Positive gate signal. Positive drain signal. None of these. TRUE ANSWER : ? YOUR ANSWER : ?
After proper turn on of thyristor gate signal must be removed. None of these gate signal should present but can be removed. gate signal is always present. TRUE ANSWER : ? YOUR ANSWER : ?
To meet high current demand we use SCRs in series connection. both B and C. anti parallel connection. parallel connection. TRUE ANSWER : ? YOUR ANSWER : ?
Dynamic equalising circuit is useful to limit dV / dt of SCR. to limit di / dt of SCR. for voltage equalisation. both B and C. TRUE ANSWER : ? YOUR ANSWER : ?
During which time maximum conduction spreading take place in the thyristor during turn ON? Rise time. Delay time. Same for every case. Spread time. TRUE ANSWER : ? YOUR ANSWER : ?
The triac is ___________. A four-terminal device Like a bidirectional SCR Not a thyristor None of these TRUE ANSWER : ? YOUR ANSWER : ?
In forward blocking mode of a thyristor junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. TRUE ANSWER : ? YOUR ANSWER : ?
A power semiconductor may undergo damage due to Low dv/dt. High dv/dt. High di/dt. Low di/dt. TRUE ANSWER : ? YOUR ANSWER : ?
A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC underdamped. RL. RLC overdamped. RLC critically damped. TRUE ANSWER : ? YOUR ANSWER : ?