Power Electronics A UJT has ___________. Three pn junctions Two pn junctions One pn junction None of these Three pn junctions Two pn junctions One pn junction None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in medium voltage direct current transmission. high voltage direct current transmission. low - voltage direct current transmission. all of these. medium voltage direct current transmission. high voltage direct current transmission. low - voltage direct current transmission. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during all. delay time. rise time. spread time. all. delay time. rise time. spread time. 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, 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 J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 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 J1 and J2 is in forward bias and J3 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 10 mA. 60 mA. 23 mA. 40 mA. 10 mA. 60 mA. 23 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz Frequencies above 20 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz Frequencies above 20 kHz ANSWER DOWNLOAD EXAMIANS APP