Q = 2 × 10⁻⁷ C, Q₂ = 3 × 10⁻⁶ C, F = 15 N. Find r. (k = 9 × 10⁹ N m²/C²)
University of Ilorin PHY102 2025A past question
- 0.3 m
- 0.1 m
- 0.5 m
- 0.2 m
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