Power Electronics Under over voltage condition impedance offered by the voltage clamping device is infinity. moderate. high. low. infinity. moderate. high. low. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 8 KV. 10 KV. 6 KV. 2 KV. 8 KV. 10 KV. 6 KV. 2 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which semiconductor device acts like a diode and two transistor? SCR. UJT. Triac. Diac. SCR. UJT. Triac. Diac. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. A rectifier Am amplifier None of these A sawtooth generator A rectifier Am amplifier None of these A sawtooth generator ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 0 - 0.5 V. 1 - 1.5 V. 1.5 - 2 V. 0.5 - 1 V. 0 - 0.5 V. 1 - 1.5 V. 1.5 - 2 V. 0.5 - 1 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using equalizing circuit. Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. Use of snubber circuit. Using CB and fuse. Using heat sink. ANSWER DOWNLOAD EXAMIANS APP