Question

Consider the infinite wire carrying current of 2A along positive y-direction. The other

wire is carrying current of 1A along positive x direction from x = 4 m to x = 12 m .

Calculate the force exert on second wire from the first wire.

Answer 1

Answer:

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Answer 2

Given:

infinite wire carrying current of 2A

The other wire is carrying of 1 A

To Find:

    The force exert on second wire from the first wire.

Explanation:

Current flowing in the wire    I =1  iA

Length of the wire  l= 0.5 m

Magnetic field    B =(2i^ +4 j^ )  T

Force experienced by the wire F =I( l × B )

∴    F =(0.5)[1 i^ ×(2 i^ +4 j^​ )]

=(0.5)(1 i^ ×4 j^​ )

⟹   F =(0.5)(4) k^ =2 k^  N

So, the force exert on second wire from the first wire is 2N