AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is 0.5 of peak value Zero 0.707 of peak value Same as peak value 0.5 of peak value Zero 0.707 of peak value Same as peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Less than unity Zero Greater than unity Unity Less than unity Zero Greater than unity Unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 250 Hz 150 Hz 50 Hz 200 Hz 250 Hz 150 Hz 50 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series resonant circuit, the impedance of the circuit is Minimum Maximum Zero None of these Minimum Maximum Zero None of these 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 Depends upon the magnitude of C Depends upon the magnitude of L Depends upon the magnitude of R, Land C Depends upon the magnitude of R Depends upon the magnitude of C Depends upon the magnitude of L Depends upon the magnitude of R, Land C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is A sinusoid of half the original frequency None of the listed here A sinusoid of double the frequency A sinusoid of the same frequency A sinusoid of half the original frequency None of the listed here A sinusoid of double the frequency A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS