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 During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Same for every case. Spread time. Rise time. Delay time. Same for every case. Spread time. Rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful to limit di / dt of SCR. both B and C. to limit dV / dt of SCR. for voltage equalisation. to limit di / dt of SCR. both B and C. to limit dV / dt of SCR. for voltage equalisation. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Inductor. Fuse. Snubber circuit. Voltage clamping device. Inductor. Fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the discharging current. All of these. To minimize the charging current. To minimize the loss . To minimize the discharging current. All of these. To minimize the charging current. To minimize the loss . ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. A d.c. None of these A mechanical An c. A d.c. None of these A mechanical ANSWER DOWNLOAD EXAMIANS APP