Question

Two equal and like charge when placed $50$m a part experience a repulse force of $144$ N. The magnetic charge in microcoloumb will be:-

Answer 1

Given : $r=50m$ $F=144N$

Force $F=\frac{k{q}^2}{r^2}$

Or $144=9\times {10}^9\times \frac{q^2}{(50{)}^2}$

$⟹q=6324\mu C$