Two objects repel each other. This repulsion could be due to the
$(a)$. frictional force only
$(b)$. electrostatic force only
$(c)$. magnetic force only
$(d)$. either a magnetic or an electrostatic force

Two objects repel each other either due to electrostatic force when they have similar charges or due to magnetic force when they have the same poles.

So, option $(c)$ is correct.


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