Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.016 Ω. 0.064 Ω. 0.032 Ω. 0.128 Ω. 0.016 Ω. 0.064 Ω. 0.032 Ω. 0.128 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 60 V. 30 V. 20 V. 50 V. 60 V. 30 V. 20 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is maximum power. 100 watt. zero watt. a few watt. maximum power. 100 watt. zero watt. a few watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 100 V. 0 V. 75 V. 125 V. 100 V. 0 V. 75 V. 125 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits KCL works on the principle of which of the following law of conservation of energy. both. None of these law of conservation of charge. law of conservation of energy. both. None of these law of conservation of charge. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? VIcosφ. None of these. Apperant power × cosφ. Both option A and B. VIcosφ. None of these. Apperant power × cosφ. Both option A and B. ANSWER DOWNLOAD EXAMIANS APP
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