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PHY4A




Electric Fields
And electric field is a region around a charge in which another charge feels a force. Unlike
gravitational fields, the forces can either be attractive or repulsive.

Coulombs law

The force between two charges is directly proportional to the product of the charges nd
inversely proportional to…

Page 2

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PHY4A




Note:

At any point, the lines show the direction of the force on a positive charge placed at that
point.
As a consequence, field lines around a point of positive charge and a point of negative
charge are in different directions.
The field between parallel plates is approximately uniform…

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