Question

copper wire is wound in the form of a coil of radius r. A current of 2 A is passed through this
coil and the magnetic induction at the centre of this coil is noted. The same wire is now foided end to
end and coil of the same radius r is prepared and the same current is passed through it. The
magnetic induction at the centre:
(A) will be doubled
(C) will remain same.
(B) will be halved
(D) will drop to zero
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Answer 1

KT'S ANSWER

I THINK THE ANSWER IT WILL BE OPTION A.IT WILL BE DOUBLED

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