AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Apparent power Active power None of the listed here Reactive power Apparent power Active power None of the listed here Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.05 s 0.0005 s 0.5 s 0.005 s 0.05 s 0.0005 s 0.5 s 0.005 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The statement is incorrect The size of the capacitor being quite big The current flowing in capacitor The capacitive reactance in ohms The statement is incorrect The size of the capacitor being quite big The current flowing in capacitor The capacitive reactance in ohms 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 four times at high Be doubled Be reduced by half Be reduced to one fourth Be four times at high Be doubled Be reduced by half Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? 220 V 220 v3 V None of these 220/v3 V 220 V 220 v3 V None of these 220/v3 V 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 big size of the inductor The current flowing in the inductor The reactance of the inductor The statement given is false The big size of the inductor The current flowing in the inductor The reactance of the inductor The statement given is false ANSWER DOWNLOAD EXAMIANS APP
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