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Magnetism> Q. A current i ampere flows along an infi...

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Q. A current i ampere flows along an infinitely straight thin walled tube, then the magnetic induction at any point inside the tube is :-
a) infinite b) zero c) () 2i/r tesla d) 2i/r tesla

Radhika Batra , 12 Years ago

Grade 11

2 Answers

ROSHAN MUJEEB

b)zero. and no current is being enclosed

Last Activity: 5 Years ago

RISHIKA

hi friend

my answer is zero

because no current is enclosed in the circle so, from Ampere's circuital law, magnetic induction is zero at every point of the circle. Hence, the magnetic induction at any point inside the infinitely long straight thin-walled tube (cylindrical) is zero.

thanks

Last Activity: 5 Years ago

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