What is the basic principle of a moving coil galvenometer?Derive an expression for current flowing through the galvenometer in terms of steady angular deflection of it's coil.
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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. A galvanometer is a type of ammeter. It is an instrument for detecting and measuring electric current.
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