Consider the four field patterns shown. Assuming there are no charges in the regions shown, which of the patterns represents a possible electrostatic field:

Options

A. a
B. b
C. c
D. d

Answer

B

Explanation

B.Pattern (a) can be eliminated because filed lines cannot simultaneously orignate from and converge at a single point (c) can be eliminated because there are so charges in the region, and so there are no sources of field lines. (d) can be eliminated because electrostatic field lines do not close on themselves.