Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 18 µ joules. 20 µ joules. 55.1 µ joules. 10 µ joules. 18 µ joules. 20 µ joules. 55.1 µ joules. 10 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is zero. 5 A. 50 A. 8.85 A. zero. 5 A. 50 A. 8.85 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 7.5. 240. 675. 3600. 7.5. 240. 675. 3600. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Pure metal generally have high conductivity and large temperature coefficient. low conductivity and high temperature coefficient. low conductivity and zero temperature coefficient. high conductivity and low temperature coefficient. high conductivity and large temperature coefficient. low conductivity and high temperature coefficient. low conductivity and zero temperature coefficient. high conductivity and low temperature coefficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If L and C both are doubled than damping in above circuit will be None of these halved as compared to previous one. doubled as compared to previous one. remains same. None of these halved as compared to previous one. doubled as compared to previous one. remains same. ANSWER DOWNLOAD EXAMIANS APP
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