/**//**/Directions: For the Assertion (A) and Reason (R) below, choose the correct alternative:Assertion (A): 3 wire dc distribution system is preferred over 2 wire dc distribution system.Reason (R): the 3 wire dc system of distribution is safer.

• A. Both A and R are true and R is not the explanation of A
• B. Both A and R are true and R is the correct explanation of A
• C. None of these
• D. A is true but R is false