Question

A long straight vertical conductora long straight vertical conductor carries a current of 8A in the upward direction. if the horizontal component of earths magnetic induction is 4*10^-5 T . then at a distance of 4 cm to the south of it the resultant magnetic induction in the horizontal plane carries a current of 8 A

Answer 1

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Answer 2

Answer:

( The horizontal components of earth's magnetic induction =4×10−5T)

(1)22–√×10−5T(3)4×10−5T(2)42–√×10−5T(4)2×10−5T