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What is Ampere’s Circuital Law

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Ampere's Circuital Law states the relationship between the current and the magnetic field created by it. This law states that the integral of magnetic field density (B) along an imaginary closed path is equal to the product of current enclosed by the path and permeability of the medium. Line integral to the magnetic field of the coil = μo times the current passing through it. It is mathematically expressed as 

\int B \cdot d l =\mu_{o} I

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Deependra Verma

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