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The magnetic field at the origin due to ...

The magnetic field at the origin due to a current element `I(vec dl )` placed at a positon `vec r` is

A

`(mu_(0)i)/(4pi)(dveclxxvecr)/r^(3)`

B

`-(mu_(0)i)/(4pi)(rxxvecr)/r^(3)`

C

`(mu_(0)i)/(4pi)(dveclxxvecr)/r^(3)`

D

`-(mu_(0)i)/(4pi)(dveclxxvecr)/r^(1)`

Text Solution

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The correct Answer is:
C, D
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