AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 30° 90° 60° 180° 30° 90° 60° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to R/Z Ratio of useful current to total current Iw/I all of these Cosine of phase angle difference between current and voltage R/Z Ratio of useful current to total current Iw/I all of these Cosine of phase angle difference between current and voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow At all the time of operation Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation Only at the time of turning off Only at the time of turning on At the time of turning on and off 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 series L-C circuit at the resonant frequency the Current is maximum Impedance is maximum Current is minimum Voltage across C is minimum Current is maximum Impedance is maximum Current is minimum Voltage across C is minimum 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 Active power None of the listed here Reactive power Apparent power Active power None of the listed here Reactive power Apparent power ANSWER DOWNLOAD EXAMIANS APP
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