The Electric field at a point is
(a) always continuous.
(b) continuous if there is no charge at that point.
(c) discontinuous only if there is a negative charge at that point.
(d) discontinuous if there is a charge at that point

NCERT Class XII
Physics - Exemplar Problems

Chapter 1. Electric Charges and Fields

Answer :

{b} continous if there is no charge at that point