AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The current flowing in capacitor The statement is incorrect The capacitive reactance in ohms The size of the capacitor being quite big The current flowing in capacitor The statement is incorrect The capacitive reactance in ohms The size of the capacitor being quite big ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to None of the listed here Average voltage Peak voltage R.m.s. voltage None of the listed here Average voltage Peak voltage R.m.s. voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is None of the listed here Active power Apparent power Reactive power None of the listed here Active power Apparent power Reactive power 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 Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value None of these Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Remains in phase with Lags Leads None of the listed here Remains in phase with Lags Leads None of the listed here ANSWER DOWNLOAD EXAMIANS APP