Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased Is decreased None of these Remains the same Is increased Is decreased None of these Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is 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. directly proportional to Vm of supply voltage. both A and C. inversely proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. Four None of these Three Two Four None of these Three Two ANSWER DOWNLOAD EXAMIANS APP