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 ?

A. 22 x 10"8 N

B. 22 x 10"7 N

C. 22 x 10-6 N

D. 22 x 10"5 N

Answer: Option D

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