Power Electronics A power semiconductor may undergo damage due to High di/dt. Low dv/dt. High dv/dt. Low di/dt. High di/dt. Low dv/dt. High dv/dt. Low di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.45. 0.67. 0.32. 0.27. 0.45. 0.67. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Transistor Triac Diac UJT Transistor Triac Diac UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. high value. low value. zero value. moderate value. high value. low value. zero value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 6000 A. 1500 A. 4242.64 A. 2121.32 A. 6000 A. 1500 A. 4242.64 A. 2121.32 A. ANSWER DOWNLOAD EXAMIANS APP