Assertion: The current sensitivity of a galvanometer is the deflection of current per unit current passing through the coil.
Reason: The galvanometer can be used as a detector to check, if a current is flowing in the circuit.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.