Power Electronics Dynamic equalising circuit is useful to limit dV / dt of SCR. both B and C. for voltage equalisation. to limit di / dt of SCR. to limit dV / dt of SCR. both B and C. for voltage equalisation. to limit di / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is MCT. IGBT. FCT. GTO. MCT. IGBT. FCT. GTO. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant SCR None of these Transistor UJT SCR None of these Transistor UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 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 Frequencies less than 10 Hz ANSWER DOWNLOAD EXAMIANS APP