Question

A large number n of closely spaced turns of fine wire

Answer 1

Answer:

The correct answer of this question is a single layer on top of a wooden sphere of radius R, with the turns' planes parallel to the axis and covering the whole surface of the sphere.

Explanation:

Given -  n of closely spaced turns of fine wire.

To Find - A large number n of closely spaced turns of fine wire.

On the surface of a hardwood sphere with a radius of R, a significant number, N, of closely spaced turns of thin wire are wound in a single layer, their planes perpendicular to the axis of the sphere and covering the whole surface.

A wooden sphere with a radius of a has its surface entirely covered by a huge number N of turns of thin wire that are tightly spaced apart. The turns' planes are perpendicular to the sphere's axis. Find the magnetic field at the centre of the sphere if the current in the winding is I.

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