Consider an infinitely long wire carrying a current I(t), with
. Find the current produced in the rectangular loop of wire ABCD if its resistance is R (Fig. 6.13).

XY is infinitely long wire carrying I(t) such that ![]()
at a distance r from the wire strength of the magnetic field ![]()
it is direction is outward of the paper total magnetic flux linked with the rectangular loop

on integrating and applying the limit we get
![]()
Where L is the self-inductance of the loop
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INDUCED CURRENT ![]()
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