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? 200 times. 20 times. Nil. 60 times. 200 times. 20 times. Nil. 60 times. ANSWER DOWNLOAD EXAMIANS APP
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. 10 µ joules. 55.1 µ joules. 18 µ joules. 20 µ joules. 10 µ joules. 55.1 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities remain the same in all parts of a parallel circuit power. current. voltage. resistance. power. current. voltage. resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 7.2 k Ω. 1.2 k Ω. 2.4 k Ω. 3.6 k Ω. 7.2 k Ω. 1.2 k Ω. 2.4 k Ω. 3.6 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current lags the emf by 90o. leads the emf by 90o. is in phase with emf. leads the emf by - 90o. lags the emf by 90o. leads the emf by 90o. is in phase with emf. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP