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A circular conductor of uniform resistan...

A circular conductor of uniform resistance per unit length, is connected to a battery of 4 V. The total resistance of the conductor is `4omega`. The net magnetic field at the centre of the conductor is

A

Equal to `B_(0)`

B

Greater than `B_(0)`

C

Less than `B_(0)`

D

Less than `B_(0)`

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The correct Answer is:
A
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