Question

find the magnetic field due to a long straight conductor using ampere circutal law​

Answer 1

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length using Ampere's law:

Hence, the angle between magnetic field vector and line element is zero. Therefore, where I is the current enclosed by the Amperian loop. Due to the symmetry, the magnitude of the magnetic field is uniform over the Amperian loop, we can take B out of the integration.

Answer 2

Answer:

Hence, the angle between magnetic field vector and line element is zero. Therefore, where I is the current enclosed by the Amperian loop. Due to the symmetry, the magnitude of the magnetic field is uniform over the Amperian loop, we can take B out of the integration.

hope it helps you.............❤️