AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 250 Hz 200 Hz 50 Hz 150 Hz 250 Hz 200 Hz 50 Hz 150 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Zero Greater than unity Unity Less than unity Zero Greater than unity Unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 20 Hz 40 Hz 50 Hz 30 Hz 20 Hz 40 Hz 50 Hz 30 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is 0.707 of peak value Zero 0.5 of peak value Same as peak value 0.707 of peak value Zero 0.5 of peak value Same as peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Resistance Inductance Capacitance None of the listed here Resistance Inductance Capacitance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Magnitude of current at resonance in R-L-C circuit Depends upon the magnitude of R, Land C Depends upon the magnitude of L Depends upon the magnitude of C Depends upon the magnitude of R Depends upon the magnitude of R, Land C Depends upon the magnitude of L Depends upon the magnitude of C Depends upon the magnitude of R ANSWER DOWNLOAD EXAMIANS APP