Question: A small current-carrying coil having a magnetic moment Pm, is located at the axis of a round loop of radius R with current I flowing

A small current-carrying coil having a magnetic moment Pm, is located at the axis of a round loop of radius R with current I flowing through it. Find the magnitude of the vector force applied to the coil if its distance from the centre of the loop is equal to x and the vector Pm coincides in direction with the axis of the loop
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