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 A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.67. 0.32. 0.45. 0.27. 0.67. 0.32. 0.45. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Like a bidirectional SCR A four-terminal device Not a thyristor None of these Like a bidirectional SCR A four-terminal device Not a thyristor None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when both B and C. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). of short duration. of long period. both (A) and (B). neither (A) nor (B). of short duration. of long period. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Bidirectional Unidirectional Mechanical None of these Bidirectional Unidirectional Mechanical ANSWER DOWNLOAD EXAMIANS APP
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