Fri February 22, 2013 By: Esha Esha

The electric field E due to point charge at any point near it is defined as E=lim F/q q->0 q is the test charge and F is the force acting on it.what is thw significance of limq->o in the expression?

Expert Reply
Fri February 22, 2013
Even a nearly 0 charge will experience force when placed at the point in the electric field.From that concept this lim q->o will come.
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