Power Electronics A triac has ___________ semiconductor layers. Two Five Four Three Two Five Four Three ANSWER DOWNLOAD EXAMIANS APP
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 Dynamic equalising circuit is useful to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Negative resistance Intrinsic stand off ratio Peak-point voltage Bilateral conduction Negative resistance Intrinsic stand off ratio Peak-point voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Snubber circuit. Equalizing circuit. Circuit breaker. Fuse. Snubber circuit. Equalizing circuit. Circuit breaker. Fuse. ANSWER DOWNLOAD EXAMIANS APP
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