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ऐसा क्षेत्र जिसमे किसी बिंदु पर रखी गयी चुंबकीय सुई एक निश्चित दिशा में ठहरती है इसे क्षेत्र को चुंबकीय क्षेत्र कहते है।”
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field.