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Dimensional formula of magnetic flux is

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Important Questions on Physics

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The reading of a high resistance voltmeter, when a cell is connected across it is 2.2 V. When the terminals of the cell are also connected to a resistance of 5 Ω  as shown in the circuit, the voltmeter reading drops to 1.8 V. The internal resistance of the cell is:
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The electrolytic conductance of a solution in a electrolytic cell is a direct measure of

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What is the potential difference between points A and  B in the circuit shown?
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An oil drop carrying a charge of 2 electrons has a mass of 3.2×1017 kg. It is falling freely in the air with terminal speed. The electric field required to make the drop move upwards with the same speed is
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Two particles having charges q1 and q2 when kept at a certain distance exert force F on each other. If distance is reduced to half, force between them becomes:
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Which of the following statements is incorrect?
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Three resistance each of 8 Ω are connected to a triangle. The resistance between any two terminal :
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A house uses 7 tube lights of 50 W each, for 5 hours a day. The electrical energy consumption for one day is: