Multiple Choice Questions on A cell of emf E and internal resistance r is connected to an external resistance R The terminal pote........... for Common University Entrance Test (CUET) Preparation

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Multiple Choice Questions

A cell of emf E and internal resistance r is connected to an external resistance R The terminal pote...........

Physics (CUET) Current Electricity
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    A cell of emf E and internal resistance r is connected to an external resistance R. The terminal potential difference V is:
    Always equal to EIncorrect Answer
    Always less than ECorrect Answer
    Always greater than EIncorrect Answer
    Equal to E only if r = RIncorrect Answer
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    Explanation:
    V = E - Ir; due to internal resistance, terminal voltage is less than emf.

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