what happens to the deflection of needle when current in conductor is increased
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The deflection also increase towards the direction of the magnetic field
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(a) If we increase the current in the conductor, the deflection of the compass needle increases. This shows that, the magnitude of the magnetic field produced at a given point is directly proportional to the current passing through the wire. That is B∝ Ι
(b) On changing the direction of flow of current, the direction of deflection of compass needle is reversed.
(c) For a given current, if we move the compass needle away from the wire, its deflection decreases. This shows that the magnitude of the magnetic field produced by a given current in the wire is inversely proportional to the distance from the wire.
(b) On changing the direction of flow of current, the direction of deflection of compass needle is reversed.
(c) For a given current, if we move the compass needle away from the wire, its deflection decreases. This shows that the magnitude of the magnetic field produced by a given current in the wire is inversely proportional to the distance from the wire.
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