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What is the science behind a galvanometer?

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When an electric current is passing through the conductor, the magnetic needle tends to turn at right angles to the conductor so that its direction is parallel to the lines of induction around the conductor and its north pole points in the direction in which these lines of induction flow. In general, the extent to which the needle turns is dependent upon the strength of the current.

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Get more facts and information about galvanometer . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

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