Question

State ampere's circuital law

Answer 1

Ampere's circuital law states that the line integral of magnetic field induction B around a closed path in vaccum is equal to uo times the total current I threading the closed path. B = uoI/2πr, where r is the distance from the conductor to the point where the magnetic field induction is produced.

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Answer 2

✔✔✔✔✔ Circuital Law states the relationship between the current and the magnetic field created by it. This law says, 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. James Clerk Maxwell had derived that.