Transmission of electrical power by dc & its reasons

Q.  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.

- Published on 23 Nov 15

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

ANSWER: Both A and R are true and R is not the explanation of A

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