A horizontal overhead powerline is at a height of4m from the ground an – InterviewSolution

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1.	A horizontal overhead powerline is at a height of4m from the ground and carries a current of100 A from east to west. The magnetic field di-rectly below it on the ground is :-23.(1) 2.5 x 10-7 T, southward(2) 5 x 10-6 T, northward(3) 5 x 10-6 T, southward(4) 2.5 x 10-7 T, northward
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