The distance between a north pole of strength `6 xx 10^(-3)`Am and a south pole of strength `8xx10^(-3)` Am is 10 cm. The poles are separated in air. Find the force between them.

Explanation

To find the force between a north pole of strength \( m_1 = 6 \times 10^{-3} \, \text{Am} \) and a south pole of strength \( m_2 = 8 \times 10^{-3} \, \text{Am} \) separated by a distance of \( r = 10 \, \text{cm} \), we can use the formula for the magnetic force between two magnetic poles:

\[ F = \frac{\mu_0}{4\pi} \cdot \frac{m_1 m_2}{r^2} \]

where \( \mu_0 \) (the permeability of free space) is approximately \( 10^{-7} \, \text{Tm/A} \).

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