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. 100 µs. 200 µs. 150 µs. 300 µs. 100 µs. 200 µs. 150 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Controlled switch. Amplifier with higher gain. Controlled transistor. Amplifier with large current gain. Controlled switch. Amplifier with higher gain. Controlled transistor. Amplifier with large current gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is < latching current but greater than holding current and gate signal is 0. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is present. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. None of these Gate voltage A breakover voltage Gate current None of these Gate voltage A breakover voltage Gate current ANSWER DOWNLOAD EXAMIANS APP
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