AC Fundamentals, Circuit and Circuit Theory Skin effect occurs when a conductor carries current at _________ frequencies. High Low Very low Medium High Low Very low Medium ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be four times at high Be reduced by half Be doubled Be reduced to one fourth Be four times at high Be reduced by half Be doubled ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to The reactance of the inductor The big size of the inductor The statement given is false The current flowing in the inductor The reactance of the inductor The big size of the inductor The statement given is false The current flowing in the inductor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 200 V 282.8 V 141.4 V 127.4 V 200 V 282.8 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of R only L or C L only C only R only L or C L only C only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. r.m.s. value of current is greater than average value r.m.s. value is equal to average value None of these r.m.s. value of current is less than average value r.m.s. value of current is greater than average value r.m.s. value is equal to average value None of these r.m.s. value of current is less than average value ANSWER DOWNLOAD EXAMIANS APP