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An element Deltal = Deltax hati is place...

An element `Deltal = Deltax hati` is placed at the origin and carries a large current `I = 10 A` (Fig.) . What is the magnetic field on the y-axis at a distance of `0.5m. Deltax = 1cm`.

A

`2xx10^(8)`T

B

`4xx10^(8)`T

C

`6xx10^(8)`T

D

`8xx10^(8)`T

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