Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 5 × 10-9 J. 10 × 10-9 J. 0.05 J. 0.01 J. 5 × 10-9 J. 10 × 10-9 J. 0.05 J. 0.01 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit, if the voltage across capacitor is greater than voltage across inductor, then power factor of the network is leading. lagging. zero. unity. leading. lagging. zero. unity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. none of them. zero. different. same. none of them. zero. different. same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has low internal resistance. high internal resistance. minimum efficiency. minimum current capacity. low internal resistance. high internal resistance. minimum efficiency. minimum current capacity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 4:1. 1:2. 1:1. 1:8. 4:1. 1:2. 1:1. 1:8. ANSWER DOWNLOAD EXAMIANS APP
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