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somnath maity Grade: 12
        

why cant we say magnetic forces instead we say electric forces?

7 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear student,


The magnetic field B is defined from the Lorentz law and specifically from the magnetic force on a moving charge:



The implications of this expression include:


1. The force is perpendicular to both the velocity v of the charge q and the magnetic field B.


2. The magnitude of the force is F = qvB sinθ where θ is the angle < 180 degrees between the velocity and the magnetic field. This implies that the magnetic force on a stationary charge or a charge moving parallel to the magnetic field is zero.


 






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Askiitians Expert


Sagar Singh


B.Tech, IIT Delhi





6 years ago
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