Magnets and magnetic fields

Magnets create magnetic fields. These magnetic fields cannot be seen. They fill the space around a magnet where the magnetic forces work, and where they can attract or repel magnetic material


Created by Sanjay Batra Last Updated July 13, 2020 4:11 AM

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  • 11 Lectures
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  • Certificate of completion


What you'll learn

  • Understanding magnetic field

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11 Lectures



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magnetic field is a  vector field that describes the magnetic influence of electric charges in relative motion and magnetized materials. A charge that is moving parallel to a current of other charges experiences a force perpendicular to its own velocity. The effects of magnetic fields are commonly seen in permanent magnets, which pull on magentic materials (such as iton) and attract or repel other magnets. Magnetic fields surround and are created by magnetized material and by moving electric charges (currents) such as those used in electromagnets. They exert forces on nearby moving electrical charges and torques on nearby magnets. In addition, a magnetic field that varies with location exerts a force on magnetic materials.


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Sanjay Batra

I am a school teacher teaching maths and physics for Sr. Secondary school students for last 21 years. I have graduated in BSc. (Physics) from Delhi University.