Power Electronics Anode current in an SCR consists of either electron or holes. electrons only. Both electron and holes. holes only. either electron or holes. electrons only. Both electron and holes. holes only. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode current reaches 10 % from forward leakage current. all of these. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. all of these. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Inductor. Snubber circuit. Voltage clamping device. Fuse. Inductor. Snubber circuit. Voltage clamping device. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? COOLMOS. TRIAC. IGBTs. SITS. COOLMOS. TRIAC. IGBTs. SITS. 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? 800 V/µs. 1200 V/µs. 600 V/µs. 1000 V/µs. 800 V/µs. 1200 V/µs. 600 V/µs. 1000 V/µs. ANSWER DOWNLOAD EXAMIANS APP
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