Power Electronics Which of following is not a power transistor? TRIAC. SITS. IGBTs. COOLMOS. TRIAC. SITS. IGBTs. COOLMOS. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Negative resistance None of these Cut-off Saturation Negative resistance None of these Cut-off ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR either series or parallel. in series. in parallel. anti parallel. either series or parallel. in series. in parallel. anti parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Inductor. Snubber circuit. Fuse. Voltage clamping device. Inductor. Snubber circuit. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz Frequencies above 20 kHz 50 Hz frequency Frequencies above 1000 kHz Frequencies less than 10 Hz Frequencies above 20 kHz 50 Hz frequency Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
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