Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. None of these. Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 90.9 %. 91.6 %. 83.3 %. 76.3 %. 90.9 %. 91.6 %. 83.3 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Both A and B. Directly proportional to supply voltage. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. Directly proportional to supply voltage. Inversely proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power transistor are type of IGBTs. BJTs. All of above. MOSFETs. IGBTs. BJTs. All of above. MOSFETs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Low High None of these Extremely low Low High None of these Extremely low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. ANSWER DOWNLOAD EXAMIANS APP
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