Multiple Choice Questions on What is the internal resistance of a cell if the potential difference across its terminals is 1 5 V ........... for Common University Entrance Test (CUET) Preparation

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Multiple Choice Questions

What is the internal resistance of a cell if the potential difference across its terminals is 1 5 V ...........

Physics (CUET) Current Electricity
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    What is the internal resistance of a cell if the potential difference across its terminals is 1.5 V and the emf is 2 V while delivering 0.5 A current?
    0.5 OCorrect Answer
    1 OIncorrect Answer
    2 OIncorrect Answer
    3 OIncorrect Answer
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    Explanation:

    The formula for internal resistance is r = (E - V) / I.

    Substitute E = 2 V, V = 1.5 V, and I = 0.5 A.

    r = (2 - 1.5) / 0.5 = 0.5 O.

    By: Parveen Bansal
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