Question

A current is passing through a horizontal power line from East to West direction. What is the direction of magnetic field at a point directly below it and directly above it.

class 10
magnetic effects of electric current

Answer 1

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.The direction of magnetic field at a point directly above the wire is from south to north.maxwell's right hand thumb rule.

Answer 2

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