CBSE Class 12 Physics 2020 Outside Delhi Set 1 Paper

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Question : 7 of 37
 
Marks: +1, -0
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 :
Solution:
(a) 2×10−5T acting downward
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