why do electric field lines goes inward for negative charge and outwards for positive charge
Asked by | 26th Mar, 2009, 05:02: PM
The electric field created by a given source distribution is defined as the limit as the test charge approaches zero of the force per unit charge exerted thereupon.
This allows the electric field to be dependent on the source distribution alone.
As is clear from the definition, the direction of the electric field is the same as the direction of the force it would exert on a positively-charged particle, and opposite the direction of the force on a negatively-charged particle. Since like charges repel and opposites attract , the electric field tends to point away from positive charges and towards negative charges.
Answered by | 26th Mar, 2009, 08:33: PM
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