Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of current through each thyristor in parallel. equal division of current through each thyristor in series. equal division of voltage across each thyristor. equal division of voltage across each thyristor in parallel. equal division of current through each thyristor in parallel. equal division of current through each thyristor in series. equal division of voltage across each thyristor. equal division of voltage across each thyristor in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. inversely proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. None of these Extremely low High Low None of these Extremely low High Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in series connection. both B and C. parallel connection. anti parallel connection. series connection. both B and C. parallel connection. anti parallel connection. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS