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Three rings, each having equal radius R, are placed mutually perpendicular to each other and each having its centre at the origin of co-ordinate system. If current Iis flowing through each ring then find the magnitude of the magnetic field at the common centre. |
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Answer» Solution :B DUE to the ring LYING in XY - PLANE is : `(mu_0I)/(2R)` along Z-axis. B due to the ring lying in YZ - plane is `(mu_0I)/(2R)`along X - axis, and B due to the ring lying in XZ - plane is `(mu_0I)/(2R)` along Y - axis. `thereforeB_("net") = sqrt(3) (mu_0 I)/(2R)` |
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