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A wire of length L carrying a current I ...

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

A

`(pi mu_(0)I)/(L)`

B

`(mu_(0)I)/(2L)`

C

`(2pi mu_(0)I)/L`

D

`(mu_(0)I)/(2 pi L)`

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT -Critical Thinking Introduction
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