question_answer 26)

Which among the curves shown in figure cannot possibly represent electrostatic field lines?  

Answer:

(a) Incorrect, because the lines of force should be normal to the conductor. (b) Incorrect, because the lines of force cannot start from a negative charge. (c) Correct. (d) Incorrect, because electric lines cannot intersect. (e) Incorrect, because electrostatic lines of force cannot form closed loop.