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    Question

    A battery is used

    to:
    A Measure current in a circuit Correct Answer Incorrect Answer
    B Provide current in a circuit Correct Answer Incorrect Answer
    C Limit current in a circuit Correct Answer Incorrect Answer
    D Prevent current in a circuit Correct Answer Incorrect Answer

    Solution

    A battery is a device that stores chemical energy and converts it to electrical energy. The chemical reactions in the battery involve the flow of electrons from one material (electrode) to another, through an external circuit. This flow of electrons provides an electric current that can be used in a circuit.

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