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Analyze and answer the following question with detail 2- Does a magnetic force acting on the...

Analyze and answer the following question with detail

2- Does a magnetic force acting on the moving part of a circuit do work? Justify your statement with an example and the respective equations

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Answer #1

In general we know that the electric current in the wire is due to flow of electric charges ( electrons) and the velocity of the electron in the presence of magnetic field is always perpendicular to applied magnetic field (B) . So the magnetic field usually do not do any work in the circuit. This is governing by the equation:-

Since v and B are perpendicular so

F=0

And we know that W=F.dr

So W=0

The work is generally done by electric force or electric field.

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