What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart?
A22 x 10″7 N
B22 x 10-6 N
C22 x 10″8 N
D22 x 10″5 N
Correct answer
D. 22 x 10″5 N
Explanation
The correct answer is 22 x 10″5 N.