Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.85. 10. 0.4. 1. 0.85. 10. 0.4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be 5 µF 1 µF 25 µF 10 µF 5 µF 1 µF 25 µF 10 µF ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 250 360 450 200 250 360 450 200 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F εr. 0. F. εr/F. F εr. 0. F. εr/F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Magnetic flux has the unit of Newton Tesla Ampere turn Weber Newton Tesla Ampere turn Weber ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Brass. Metal alloys constantan and manganin. Platinum. Tungsten. Brass. Metal alloys constantan and manganin. Platinum. Tungsten. ANSWER DOWNLOAD EXAMIANS APP
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