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The resistance of three parts of a circu...

The resistance of three parts of a circular loop is shown in the figure. The magnetic field at the centre 0 is

A

Zero

B

`[(2 mu_0i) / (5r)]`

C

`[(mu_0i) /(6r)]`

D

`[(mu_0i) /(3r)]`

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
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