A current of 10\,{A} is flowing from east to ...

CBSE Class 12 Physics 2020 Outside Delhi Set 3 Paper

Question : 3 of 13

Marks: +1, -0

A current of

10\,\mathrm{A}

is flowing from east to west in a long straight wire kept on a horizontal table. The magnetic field developed at a distance

10\,\mathrm{cm}

vertically above the wire is:

Solution:

(b)

2 \times 10^{-5}\,\mathrm{T}

, acting towards north

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