Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only positive Only negative Both positive and negative None of these Only positive Only negative Both positive and negative None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to suppress dV / dt. increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. decrease di / dt. decrease dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Anyone of these. Unwanted turn ON. Breakdown of J2 junction. Both A and B. Anyone of these. Unwanted turn ON. Breakdown of J2 junction. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal is always present. None of these gate signal must be removed. gate signal should present but can be removed. gate signal is always present. None of these gate signal must be removed. gate signal should present but can be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using CB and fuse. Use of snubber circuit. Using equalizing circuit. Using heat sink. Using CB and fuse. Use of snubber circuit. Using equalizing circuit. Using heat sink. ANSWER DOWNLOAD EXAMIANS APP
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