An equilateral triangle is made by uniform wires, AB, BC, CA. A current I enters at A and leaves from the mid point of BC. If the lengths of each side of the triangle is L, the magnetic field B at the centroid O of the triangle is.

Question:

Options :

(a) µ0/4π(4I/L)
(b) µ0/2π(4I/L)
(c) µ0/4π(2I/L)
(d) Zero

Answer :

(d) Zero

Answer Steps :

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

A body of mass ‘M’ executes SHM Along x-axis with frequency ‘n’. At a distance x from the mean position, the body has kinetic energy ‘K’ and potential energy ‘P’. The amplitude of oscillation of the SHM is

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