Power Electronics During reverse recovery time charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J2 recombined. charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J2 recombined. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of Both electron and holes. either electron or holes. holes only. electrons only. Both electron and holes. either electron or holes. holes only. electrons only. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Increases None of these Decreases Remains the same Increases None of these Decreases 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? 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR in series. in parallel. either series or parallel. anti parallel. in series. in parallel. either series or parallel. anti parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 10 µs. 3 - 500 µs. 3 - 50 µs. 3 - 100 µs. 3 - 10 µs. 3 - 500 µs. 3 - 50 µs. 3 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
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