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The unit vectors hati, hatj and hatk are...

The unit vectors `hati, hatj` and `hatk` are as shown below. What will be the magnetic field at `O` in the following figure

A

`(mu_(0))/(4pi) i/a(2-(pi)/2)hatj`

B

`(mu_(0))/(4pi) i/a (2+(pi)/2)hatj`

C

`(mu_(0))/(4pi) i/a (2+ (pi)/2)hati`

D

`(mu_(0))/(4pi) i/a (2+(pi)/2)hatk`

Text Solution

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The correct Answer is:
D
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