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magnetic effects of electric current

702 viewsFebruary 23, 2019Class 10 - Physics

14042003 Posted February 23, 2019 doubts approved February 23, 2019

A current through horizontal power line flows in east to west direction. what is the direction of magnetic field at a point directly below it and at a point directly above it?

this is example 13.1 of ncert …but pls tell how to answer such questions?

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Answer 1 · 2019-02-23T07:52:11+00:00

The direction of the magnetic field at a point directly above the wire is from south to north. The current is in the east-west direction. Applying the right-hand thumb rule, we get that the direction of magnetic field at a point below the wire is from north to south.

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magnetic effects of electric current

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