AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 40 kW 36 kW 80 kW 32 kW 40 kW 36 kW 80 kW 32 kW 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 L Depends upon the magnitude of R Depends upon the magnitude of R, Land C Depends upon the magnitude of C Depends upon the magnitude of L Depends upon the magnitude of R Depends upon the magnitude of R, Land C Depends upon the magnitude of C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be reduced by half Be doubled Be four times as high Be reduced to one fourth Be reduced by half Be doubled Be four times as high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 111 V 100 V 282.8 V 141.4 V 111 V 100 V 282.8 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of Average value/r.m.s. value r.m.s. value/peak value r.m.s. value/average value Average value/peak value Average value/r.m.s. value r.m.s. value/peak value r.m.s. value/average value Average value/peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.9 0.5 Imax 0.707 1.414 Imax 0.9 0.5 Imax 0.707 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP
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