An equilateral triangle of side 'a' carries a current 'i' magnetic field at point 'p' which is vertex of triangle
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As shown in the following figure magnetic field at P due to side 1 and side 2 is zero.
Magnetic field at P is only due to side 3,
which is B1 = uo/4pi . 2i sin30 degree / (sqrt a/2)
= uo/4pi . 2i / (sqrt a/2) = u0i/2 sqrt 3 pi.a
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Answer: Electric Field at the point P will be due to base of the eq. triangle only. And, we can calculate the distance 'd' by Pythagoras Theorem.
Explanation:
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