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  • The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earth's field) is Option:

The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earth's field) is 

Option: 1

South


Option: 2

East


Option: 3

North


Option: 4

West


Answers (1)

best_answer

We can find the direction of current with the help of right hand palm rule

If we point our thumb in the direction of the current (i.e., along the south direction here) and fingers point towards the field point (above the power line) then the magnetic field is directed perpendicular to the palm (along the east direction).

 

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