Magnetic field: It is a region of space around a magnet or current-carrying conductor or a moving charge, in which its magnetic effect can be felt.
The sources of magnetic fields are:
– A current-carrying conductor
– Changing the electric field
– Moving charged particle
– Permanent magnet and electromagnet etc.
Conventionally the direction of the field perpendicular to the plane of the paper is represented by ⓧ if into the page, and by (−) if out of the page.
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The force between two parallel current-carrying
Conductors: Two parallel conductors carrying currents in the same direction attract each other while those carrying currents in the opposite direction repel each other.
Download short notes of Moving Charges and magnetism