Power Electronics The latching current of SCR is 20 mA. Its holding current will be 60 mA. 10 mA. 40 mA. 23 mA. 60 mA. 10 mA. 40 mA. 23 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Single-base Double-base High resistance Low resistance Single-base Double-base High resistance Low resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. high value. low value. zero value. moderate value. high value. low value. zero value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful to limit di / dt of SCR. for voltage equalisation. both B and C. to limit dV / dt of SCR. to limit di / dt of SCR. for voltage equalisation. both B and C. to limit dV / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP