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Standard XII

Physics

Ampere's Circuital Law

Two circular ...

Question

Two circular coils of radii 5 cm and 10 cm carry equal current of 1 amphere. The coils have 50 and 60 turn respectively and are placed in such a way that their planes as well as the centre coincides. Find the magnitude of magnetic field at common centre when the current in coils are in opposite sense.

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