Power Electronics The UJT may be used as ___________. None of these Am amplifier A rectifier A sawtooth generator None of these Am amplifier A rectifier A sawtooth generator ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high melting point. large surface area. high thermal conductivity. All of these. high melting point. large surface area. high thermal conductivity. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 23 mA. 10 mA. 40 mA. 60 mA. 23 mA. 10 mA. 40 mA. 60 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Fuse. Voltage clamping device. Snubber circuit. Inductor. Fuse. Voltage clamping device. Snubber circuit. Inductor. 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. 800 V/µs. 1200 V/µs. 1000 V/µs. 600 V/µs. 800 V/µs. 1200 V/µs. 1000 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. resistors of the same value across each SCR. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS