Power Electronics The UJT may be used as ___________. Am amplifier None of these A rectifier A sawtooth generator Am amplifier None of these A rectifier A sawtooth generator ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.2. 1.5. 1.0. 0.5. 1.2. 1.5. 1.0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of Both electron and holes. holes only. either electron or holes. electrons only. Both electron and holes. holes only. either electron or holes. electrons only. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Inductor. Snubber circuit. Fuse. Voltage clamping device. Inductor. Snubber circuit. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 6, 4. 4, 6. 5, 7. 7, 5. 6, 4. 4, 6. 5, 7. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
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