Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Both a and B. DC switch. Square wave switch. AC switch. Both a and B. DC switch. Square wave switch. AC switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. A sawtooth generator A rectifier None of these Am amplifier A sawtooth generator A rectifier None of these Am amplifier ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? dV / dt triggering. Forward voltage triggering. Thermal triggering. Gate triggering. dV / dt triggering. Forward voltage triggering. Thermal triggering. Gate triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is 65. 37.14. 60. 3.714. 65. 37.14. 60. 3.714. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low dv/dt. Low di/dt. High dv/dt. High di/dt. Low dv/dt. Low di/dt. High dv/dt. High di/dt. ANSWER DOWNLOAD EXAMIANS APP
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