Power Electronics A thyristor can termed as AC switch. DC switch. Square wave switch. Both a and B. AC switch. DC switch. Square wave switch. Both a and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 60. 70. 90. 80. 60. 70. 90. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Less than None of these More than Equal to Less than None of these More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to increase dV / dt. suppress dV / dt. decrease dV / dt. decrease di / dt. increase dV / dt. suppress dV / dt. decrease dV / dt. decrease di / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. None of these Gate voltage Gate current Breakover voltage None of these Gate voltage Gate current Breakover voltage ANSWER DOWNLOAD EXAMIANS APP