A Levels Physics (9702)•9702/13/M/J/19

Explanation
Electric field lines repel between like charges Steps:
- Electric field lines originate from positive charges and point away from them.
- For two positive charges, lines from each charge repel those from the other, bending outward.
- No lines connect the charges directly; instead, they diverge symmetrically.
- Select the diagram showing diverging, non-intersecting lines from both charges.
Why D is correct:
- Diagram D depicts lines emanating radially from each positive charge and curving away due to mutual repulsion, consistent with Coulomb's law for like charges.
Why the others are wrong:
- A shows lines converging between charges, indicating attraction for opposite charges.
- B illustrates a uniform parallel field, typical of infinite plates, not point charges.
- C displays lines looping or crossing, violating the rule that field lines do not intersect.
Final answer: D
Topic: Electric fields and field lines
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