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Force on a Straight Current Carrying Conductor Placed in a Magnetic Field

why does a ma...

Question

why does a magnetic field exerts no force on a stationary electric charge?

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Solution

A moving electric charge has a magnetic field associated with it. So, it's magnetic field interacts with the external magnetic field and a force is exerted on the moving charge.
But, a fixed charge does not have any magnetic field associated with it, so id does not experience any force in a magnetic field.

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