A wire is placed parallel to the lines of force in a magnetic field and current flows in the wire. then?
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Answer:
Force on a current carrying conductor is F=∫i(
dl
×
B
)=ilBsinθ
n
^
where
n
^
is the vector
perpendicular to the plane formed by length l and magnetic field vector.
Since
dl
∣∣
B
,
F
=0
⇒ the wire will not experience any force.
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