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A current I enters a uniform circular co...

A current I enters a uniform circular coil of radius R, branches into two parts and then recombines as shown in the circuit diagram. The resultant magnetic field at the centre of the coil is :

A

zero

B

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

C

`3/4((mu_(0)I)/(2R))`

D

`1/4((mu_(0)I)/(2R))`

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The correct Answer is:
A
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VMC MODULES ENGLISH-MAGNETIC EFFECTS OF CURRENT -LEVEL 1
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