Assertion (A) : Conductivity is due to mobile charge carriers of the body.
Reason (R) : Charge is transferred by conduction and acquired by the body.

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.

Answer

A

Explanation

When a body conducts free charge, the charges jump from valance band to conduction bond.