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Byju's Answer
Standard X
Physics
Magnetic Field Due to a Straight Current Carrying Conductor
If the force ...
Question
If the force per unit length on wire
B
is given by
2.88
×
10
−
x
N
m
−
1
. Find x.
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Solution
Force per unit length on wire
B
:
F
l
=
μ
0
2
π
i
A
i
B
r
(
r
=
A
B
=
2
m
)
=
(
2
×
10
−
7
)
(
9.6
×
3
)
2
=
2.88
×
10
−
6
N
m
−
1
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