a horizontal power line carries a current of 5000 A from south to North. A horizontal...
a horizontal power line carries a current of 5000 A from south to North. A horizontal magnetic field of magnitude 2 T has direction from east to west. what is the magnetic force on 2-m long power line? give magnitude and direction.
Homework Answers
magnetic force on current carrying rod or wire of length L
= iLB
= 5000*2*2 = 20000 N
force = 20000 N
direction = upward or out of the page if we take current and field in the plane of this paper
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