CBSE Class 12 Physics 2020 Outside Delhi Set 1 Paper | Question 7

CBSE Class 12 Physics 2020 Outside Delhi Set 1 Paper

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Question : 7

Total: 37

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 of 10‌cm due north on the table is :

2×10−5T, acting downwards
2×10−5T, acting upwards
4×10−5T, acting downwards
4×10−5T, acting upwards

Solution:

(a) 2×10−5T acting downward

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