Power Electronics Leakage current flows through the thyristor in forward conduction mode. forward blocking mode. both forward and reverse blocking mode. reverse blocking mode. forward conduction mode. forward blocking mode. both forward and reverse blocking mode. reverse blocking mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Decreases None of these Increases Remains the same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.002 A. 0.009 A. 0.004 A. 0.01 A. 0.002 A. 0.009 A. 0.004 A. 0.01 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.2. 1.0. 0.5. 1.5. 1.2. 1.0. 0.5. 1.5. 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 5, 7. 4, 6. 6, 4. 7, 5. 5, 7. 4, 6. 6, 4. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
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