Power Electronics Materials used in heat sink should have high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. Diac Triac SCR FET Diac Triac SCR FET 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
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Spread time. Same for every case. Rise time. Delay time. Spread time. Same for every case. Rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance None of these Cut-off Saturation Negative resistance None of these Cut-off Saturation ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 91.6 %. 76.3 %. 83.3 %. 90.9 %. 91.6 %. 76.3 %. 83.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
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