CBSE Class 12 Physics 2020 Outside Delhi Set 3 Paper | Question 3

CBSE Class 12 Physics 2020 Outside Delhi Set 3 Paper

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Question : 3

Total: 13

A current of 10A is flowing from east to west in a long straight wire kept on a horizontal table. The magnetic field developed at a distance 10‌cm vertically above the wire is:

1.2×10−5T, acting towards south
2×10−5T, acting towards north
3×10−5T, acting downwards
2×10−5T, acting upwards

Solution:

(b) 2×10−5T, acting towards north

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