ASSERTION : When coil in galvanometer with metallic core oscillates, then electromagnetic damping occurs.
REASON : Eddy currents generated in the core oppose the motion and bring the coil to rest quickly.
i. If both assertion and reason are correct and reason is a correct explanation of the assertion.
ii. If both assertion and reason are correct but reason is not the correct explanation of assertion.
iii. If assertion is correct but reason is incorrect.
iv. If assertion is incorrect but reason is correct or if both assertion and reason are incorrect.