Magnetic Field exerts force on a current carrying conductor


 
 
Concept Explanation
 

Magnetic Field Exerts Force On A Current Carrying Conductor

Force On A Current Carrying Conductor In A Magnetic Field

We know that a current carrying conductor behaves like a magnet. We also know that two magnets exert a force on each other. Now, if we place such a conductor (behaving as a magnet) in a magnetic field, then it will experience a force exactly the same way as a bar magnet would experience on placing it in the neighborhood of another bar magnet.

Further, it was suggested by Marie Ampere that force exerted by a current- carrying conductor on a bar magnet and force exerted by the bar magnet on current-carrying conductor are equal and opposite (i.e. satisfy Newton’s third law) as both are in the magnetic fields of each other. 

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Sample Questions
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Question : 1

When an electric current is flowing through a conductor it _________________

Right Option : A
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Question : 2

In a current carrying conductor, the direction of force depends on the direction of  ________________________ and is perpendicular to it.

Right Option : C
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Question : 3

Force on a current-carrying conductor placed in a magnetic field depends upon the direction of _________________________through the conductor.  

Right Option : C
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