Power Electronics In reverse blocking mode of a thyristor junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. Voltage clamping device. CB and fuse. Heat sink. Snubber circuit. Voltage clamping device. CB and fuse. Heat sink. 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? 800 V/µs. 1000 V/µs. 1200 V/µs. 600 V/µs. 800 V/µs. 1000 V/µs. 1200 V/µs. 600 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device IGBT. TRIAC. SIT. BJT. IGBT. TRIAC. SIT. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by Kq/T. KT/q. qT/K. (K2/q)(T + 1/T - 1). Kq/T. KT/q. qT/K. (K2/q)(T + 1/T - 1). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A triac without gate terminal A single junction device A three junction device None of these A triac without gate terminal A single junction device A three junction device None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS