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:

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 = 1iA

Length of the wire 1 = 0.5m

Magnetic field

=(2i^ +4 j^) T

Force experienced by the wire F =( 1 × B)

F =(0.5)[1 i^ x(2 i^ +4 j^)]

=(0.5)(1 i^ x4 j^)

⇒ F(0.5)(4) k^ =2 k^ N

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

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