A horizontal overhead powerline is at a height of 4 m from the ground and carries a current of 100 A from east to west. The magnetic field directly below it on the ground is 
):
A
northward B
southward C
northward D
southward
Text Solution
Verified by ExpertsThe correct answer is:
B
The magnetic field 
According to right hand palm rule, the magnetic field is directed towards south.
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