What is meant by saying that the potential difference between two points is 1 volt? Name a device that helps to measure the potential difference accross a conductor.
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when 1 joule of work is done in moving a 1 coulomb charge is said to be of 1 volt.Voltmeter helps to measure the potenial difference
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The potential difference between two points in an electric circuit is 1 volt when, 1 joule of work is done inorder to move a positive charge of 1 coulomb from one point to the other point. Voltmeter is used to measure the potential difference across a conductor.
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