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 3.714. 65. 60. 37.14. 3.714. 65. 60. 37.14. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low dv/dt. High dv/dt. High di/dt. Low di/dt. Low dv/dt. High dv/dt. High di/dt. Low di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have large surface area. high melting point. high thermal conductivity. All of these. large surface area. high melting point. high thermal conductivity. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Factor of safety. Reliability factor. Derating factor. String efficient. Factor of safety. Reliability factor. Derating factor. String efficient. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using equalizing circuit. Using heat sink. Using CB and fuse. Use of snubber circuit. Using equalizing circuit. Using heat sink. Using CB and fuse. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
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