Directions: In the following questions, a statement of assertion is followed by a statement of reason.
Mark the correct choice as:
Assertion: Charges flow from higher potential to lower potential.
Reason: Current flows are mainly due to the flow of electrons.
If both assertion and reason are true but reason is not the correct explanation of assertion.
Hence, for the given direction both assertion and reason are true but the reason is not the correct explanation of assertion.
Therefore option B is correct.