What is Ampere's swimming rule?

QuestionsCategory: Physics class- 12What is Ampere's swimming rule?
Suchit prajapati Staff asked 2 months ago
1 Answers
Suchit prajapati Staff answered 2 months ago
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The direction of the deflection of the magnetic needle due to the current carrying wire is given by the Ampere’s swimming rule.
According to this rule, if we imagine a man who is swimming along the wire in the direction of electric current with his face always turned towards the needle, so that current enters through his feet and leaves at his head, then the North pole of the magnetic needle will be deflected towards his left hand. This rule can be recollected with the help of the “SNOW”. It means, current from South to North, in a wire over the magnetic needle, the North pole of the needle is deflected towards the West.

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