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The perpendicular distance between two c...

The perpendicular distance between two conductor of 12 m each is 0.15cm. They carry 300A in same direction. The force acti ng between them is

A

288N repulsion

B

144N attraction

C

14N attraction

D

36N repulsion

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The correct Answer is:
B
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Two conductors each of length 12 m lie parallel to each other in air. The centre to center distance between two conductors is 15 xx 10^(-2) m and the current in each conductor is 300 amperes. Determine the force in newton tending to pull the conductors together.

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