Question

Thought Based Questions:
1. What is the physical significance of electric field lines?
2. Why do we need to define potential due to a charge?
3-How do you interpret significance of electric dipole?
4-Can you deduce Gauss's theorem using Coulomb's Law? If
5. What is the use of capacitors in day today life?​

Answer 1

ANSWER

1. An electric field is an elegant way of characterizing the electrical environment of a system of charges. The electric field at any point in space around a system of charges represents the force a unit positive test charge would experience if placed at that point.

2.Potential energy is a scalar quantity, so a potential energy field is a scalar field. It has a magnitude everywhere in space, but does not have direction.

3. An electric dipole consists of 2 equal magnitude, opposite-signed charges. The physical significance is it gives a measure of the polarity/polarization of a net neutral system. If the dipole moment is small, either the charges are small or the separation is small

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