P14 A circular wire loop of radius R, and carrying an electric current I, is at rest in a horizontal plane (see figure). P. L P2 2R Find the magnetic field strength at a distance L (> R) from the centre O of the circular loop: a) at a point, P, situated on the vertical axis pas- sing through O; b) at a point, P2 in the plane of the current loop.
P14 A circular wire loop of radius R, and carrying an electric current I, is at rest in a horizontal plane (see figure). P. L P2 2R Find the magnetic field strength at a distance L (> R) from the centre O of the circular loop: a) at a point, P, situated on the vertical axis pas- sing through O; b) at a point, P2 in the plane of the current loop.
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Transcribed Image Text:P14 A circular wire loop of radius R, and carrying
an electric current I, is at rest in a horizontal plane
(see figure).
P.
L
P2
2R
Find the magnetic field strength at a distance L
(> R) from the centre O of the circular loop:
a) at a point, P, situated on the vertical axis pas-
sing through O;
b) at a point, P2 in the plane of the current loop.
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