Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.32. 0.45. 0.67. 0.27. 0.32. 0.45. 0.67. 0.27. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 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. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. for voltage equalisation. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. None of these Three Two Four None of these Three Two Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by KT/q. (K2/q)(T + 1/T - 1). qT/K. Kq/T. KT/q. (K2/q)(T + 1/T - 1). qT/K. Kq/T. ANSWER DOWNLOAD EXAMIANS APP