Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High None of these Extremely low Low High None of these Extremely low Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in anti parallel connection. parallel connection. both B and C. series connection. anti parallel connection. parallel connection. both B and C. series connection. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. both A and C. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. both A and C. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Snubber circuit. Equalizing circuit. Fuse. Circuit breaker. Snubber circuit. Equalizing circuit. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In series None of these In inverse-parallel In parallel In series None of these In inverse-parallel ANSWER DOWNLOAD EXAMIANS APP
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