The wire X in the figure above is at right angles to the ...
The wire X in the figure above is at right angles to the plane of the paper and carries a current into the paper. at which of the points labelled 1-4, will the magnetic flux density due to this current be in the same direction as that of the horizontal component of earth's magnetic field
1
2
3
4
Correct answer is C
No explanation has been provided for this answer.
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