Question

The electric field E due to a point charge at any point is defined as lim q---->0, where w is the test charge and F is the force acting on it . what is the physical significance of lim q---->0 in this field expression ?
Draw the electric lines of a point charge Q when
(i) Q<0
(ii) Q >0


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Answer 1

Explanation:

See attached picture..

Answer 2

Answer:

Your answer is in the attachment ⬆️⬆️

Explanation:

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