Assertion (A): Transmission of electrical power by dc is economical than that with ac. Reason (R): In case of dc transmission, there is no charging current which contributes to the continuous load, even on no load.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true and R is not the explanation of A
• C. A is true but R is false
• D. A is false but R is true