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    Question

    What does Galvanometer

    do?
    A Measures depth of ocean Correct Answer Incorrect Answer
    B Measures sound under water Correct Answer Incorrect Answer
    C Measures electric current Correct Answer Incorrect Answer
    D Measures electrical power Correct Answer Incorrect Answer
    E Compares magnetic movements and fields Correct Answer Incorrect Answer

    Solution

    A galvanometer is an electromechanical instrument used for detecting and indicating electric current. The galvanometer is mainly used in the bridges and potentiometer where they indicate the null deflection or zero current. Hence, option C is correct.

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