Power Electronics What happen due to high di / dt? Insulation failure. Local hot spot. None of these. Breakdown of junction. Insulation failure. Local hot spot. None of these. Breakdown of junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device TRIAC. BJT. SIT. IGBT. TRIAC. BJT. SIT. IGBT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which following is a two terminal three layer device? MOSFET. Power dioed. None of above. BJT. MOSFET. Power dioed. None of above. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Same for every case. Rise time. Spread time. Delay time. Same for every case. Rise time. Spread time. ANSWER DOWNLOAD EXAMIANS APP
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