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Q 1.26: Which among the curves shown in Figure cannot possibly represent electrostatic field lines?
Answers (2)
(a) Wrong, because field lines must be normal to a conductor.
(b) Wrong, because field lines can only start from a positive charge. It cannot start from a negative charge,
(c) Right, because every individual field line is always repelling each other. Also, the electrostatic field lines always emerge from a positive charge and finish on a negative charge. Thus, the field lines shown in a given figure represent the electrostatic field lines.
(d) Wrong, because field lines cannot intersect each other,
(e) Wrong, because electrostatic field lines cannot form closed loops.
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