Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.32. 0.45. 0.67. 0.27. 0.32. 0.45. 0.67. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of R and C in series but with diode across R. R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these A d.c. An c. A mechanical None of these A d.c. An c. A mechanical ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor across the string. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Cut-off Saturation None of these Negative resistance Cut-off Saturation None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
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