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A loop in the shape of an equilateral tr...

A loop in the shape of an equilateral triangle triangle of side a carries a current `I` as shown in the figure.Find out the magnetic field at the centre `C` of the triangle.

Text Solution

Verified by Experts

The correct Answer is:
`(9mu_(0)i)/(2pia)`
`B=B_(1)+B_(2)+B_(3)=3B_(1)`
`=3(mu_(0))/(4pi)xx(i)/((overset(a)(2sqrt3)))xx(sin60^(@)+sin 60^(@))=(9mu_(0)i)/(2pia)`
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