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

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 : 2

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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Question : 3

Which of the following are correct :

(a) The direction of force depends on the direction of current and is perpendicular to it.

(b) The direction of force depends on the direction of the magnetic field and is perpendicular to it.

(c) A current carrying conductor experiences force in a magnetic field.

Right Option : D
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Explanation
 
 


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