Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same None of these Increases Decreases Remains the same None of these Increases Decreases 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. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. 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. 1200 V/µs. 800 V/µs. 1000 V/µs. 600 V/µs. 1200 V/µs. 800 V/µs. 1000 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.67. 0.27. 0.32. 0.45. 0.67. 0.27. 0.32. 0.45. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RL. RLC critically damped. RLC underdamped. RLC overdamped. RL. RLC critically damped. RLC underdamped. RLC overdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to conduction process of device. It is related to turn on process of the device. Both C and D. It is related to turn off process of the device. It is related to conduction process of device. It is related to turn on process of the device. Both C and D. It is related to turn off process of the device. ANSWER DOWNLOAD EXAMIANS APP
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