Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 4242.64 A. 1500 A. 2121.32 A. 6000 A. 4242.64 A. 1500 A. 2121.32 A. 6000 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. fuse. snubber circuit. voltage clamping device. heat sink. fuse. snubber circuit. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased None of these Is decreased Remains the same Is increased None of these Is decreased Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a P1N1P2N2 thyristor which layer is less doped ? N1. P2. P1. N2. N1. P2. P1. N2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Cut-off Negative resistance None of these Saturation Cut-off Negative resistance None of these Saturation ANSWER DOWNLOAD EXAMIANS APP