Power Electronics The latching current of SCR is 20 mA. Its holding current will be 60 mA. 10 mA. 40 mA. 23 mA. 60 mA. 10 mA. 40 mA. 23 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using heat sink. Use of snubber circuit. Using CB and fuse. Using equalizing circuit. Using heat sink. Use of snubber circuit. Using CB and fuse. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
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 A triac is equivalent to two SCRs ___________. None of these In inverse-parallel In parallel In series None of these In inverse-parallel In parallel In series ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Transistor Diac Triac UJT Transistor Diac Triac UJT ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 10 - 20 µs. 1 - 4 µs. 90 - 100 µs. 40 - 60 µs. 10 - 20 µs. 1 - 4 µs. 90 - 100 µs. 40 - 60 µs. ANSWER DOWNLOAD EXAMIANS APP