Figure shows some of the electric field lines corresponding to an electric field. The figure suggests that :

The magnitude of Electric field is directly proportional to the density of the electric field lines

Density of the electric field lines at point A and point C is same.

So, the electric filed at point A and point C also the same. that means EA = EC

E.F. Line density at point A and point C is greater as compare to line density at point B so EA = EC > EB.

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The electric field lines corresponding to an electric field is option C That is EA = EC > EB.