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Byju's Answer
Standard X
Physics
Magnetic Force on Current Carrying Wire
A wire of len...
Question
A wire of length
l
carries a current
i
along the x-axis.A magnetic field
→
B
=
B
o
(
^
j
+
^
k
)
exists in the space.Find the magnitude of the magnetic force acting on the wire.
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Solution
→
I
=
l
^
i
Now,
→
F
=
i
(
→
I
×
→
B
)
=
i
[
(
l
^
i
)
×
(
B
o
^
j
+
B
o
^
k
)
]
=
i
l
B
o
(
^
k
−
^
j
)
=
|
→
F
|
=
√
2
i
l
B
o
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