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 current flowing in capacitor The size of the capacitor being quite big The capacitive reactance in ohms The statement is incorrect The current flowing in capacitor The size of the capacitor being quite big The capacitive reactance in ohms 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 double the frequency A sinusoid of half the original frequency None of the listed here A sinusoid of the same frequency A sinusoid of double the frequency A sinusoid of half the original frequency None of the listed here A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in Both parallel and series None of the listed here Parallel Series Both parallel and series None of the listed here Parallel Series ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Maximum load current Low efficiency Unity power factor High power factor Maximum load current Low efficiency Unity power factor High power factor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage Falls to 36.8% of its final steady value Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value None of these Falls to 36.8% of its final steady value Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value None of these 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 reduced by half Be reduced to one fourth Be doubled Be four times at high Be reduced by half Be reduced to one fourth Be doubled ANSWER DOWNLOAD EXAMIANS APP
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