Q. 34 Consider points P and Q in the x – y plane, with P = (1,0) and Q = (0,1). The line integral 
along the semicircle with the line segment PQ as its diameter
(A) is -1
(B) is 0
(C) is 1
(D) depends on the direction (clockwise or anit-clockwise) of the semicircle
Answer: B
Explanation:
