School of Electrical Engineering, Electronics and Automation

Saturday, 26 May 2018

Faraday’s Law of Electromagnetic Induction

Faraday's Law of Electromagnetic Induction - TESLA Institute

 

We have seen previously that when a DC current pass through a long straight conductor a magnetising force, H and a static magnetic field, B is developed around the wire. If the wire is then wound into a coil, the magnetic field is greatly intensified producing a static magnetic field around itself forming the shape of a bar magnet giving a distinct North and South pole.

 

 

Faraday's Law of Electromagnetic Induction - TESLA Institute 

Air-core Hollow Coil

 

The magnetic flux developed around the coil being proportional to the amount of current flowing in the coils windings as shown. If additional layers of wire are wound upon the same coil with the same current flowing through them, the static magnetic field strength would be increased.

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