Power Electronics Maximum di / dt in a SCR is directly proportional to Vm of supply voltage. both A and C. inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. directly proportional to Vm of supply voltage. both A and C. inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. 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. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is GTO. FCT. MCT. IGBT. GTO. FCT. MCT. IGBT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Intrinsic stand off ratio Negative resistance Peak-point voltage Bilateral conduction Intrinsic stand off ratio Negative resistance Peak-point voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. A breakover voltage None of these Gate voltage Gate current A breakover voltage None of these Gate voltage Gate current ANSWER DOWNLOAD EXAMIANS APP
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