Power Electronics A diac has ___________ semiconductor layers Three None of these Four Two Three None of these Four Two ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. Decreases None of these Essentially remains the same Increases Decreases None of these Essentially remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 6000 A. 2121.32 A. 4242.64 A. 1500 A. 6000 A. 2121.32 A. 4242.64 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low di/dt. Low dv/dt. High dv/dt. High di/dt. Low di/dt. Low dv/dt. High dv/dt. High di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Increases None of these Decreases Remains the same Increases None of these Decreases 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 4, 6. 6, 4. 5, 7. 7, 5. 4, 6. 6, 4. 5, 7. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
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