The direction of the deflection of a magnetic needle is given by

Ampere's swimming rule

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clock rule

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right-hand rule

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Fleming's left-hand rule

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Solution

The correct option is B
clock rule

The direction of the deflection of a magnetic needle is given by Ampere's swimming rule. Imagine a person swimming along a conductor in the direction of current facing the magnetic needle. The north pole of the magnetic needle deflects towards his left hand.

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Similar questions

The direction of induced current is obtained by:
(a) Fleming's left hand rule
(b) Clock rule
(c) Right hand thumb rule
(d) Fleming's right hand rule.

What is the difference between Fleming left and right hand rule ?

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