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 – 0. F εr. εr/F. F. 0. F εr. εr/F. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The phase angle difference between current and voltage is 90o, the power will be minimum. maximum. VI. zero. minimum. maximum. VI. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ? 1 V. 0.01 V. 0.1 V . None of these. 1 V. 0.01 V. 0.1 V . None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 4 Ω. 2 Ω. 1 Ω. 3 Ω. 4 Ω. 2 Ω. 1 Ω. 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 900 250 130 400 900 250 130 400 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? 20 times. 60 times. Nil. 200 times. 20 times. 60 times. Nil. 200 times. ANSWER DOWNLOAD EXAMIANS APP
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