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VITEEE 2018 Solved Paper
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© examsnet.com
Question : 21
Total: 125
A square loop, carrying a steady current I, is placed in a horizontal d| plane near a long straight conductor carrying a steady current
I
1
at a distance d from the conductor as shown in figure. The loop will experience
a net repulsive force away from the conductor
a net torque acting upward perpendicular to the horizontal plane
a net torque acting downward normal to the horizontal plane
a net attractive force towards the conductor
Validate
Solution:
F
1
>
F
2
as F α
1
d
, and
F
3
and
F
4
are equal and opposite. Hence, the net attraction force will be towards the conductor.
© examsnet.com
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