Two equal but opposite charges of magnitude 5 µC are separated by a distance of 10 cm. What is the resultant electric field at point R, which lies on the line through the charges, 5 cm from the positive charge on the side away from the negative charge? (K = 9 × 10⁹ N m²/C²)
University of Ilorin PHY102 2026-test past question
- 52 × 10⁶ N/C
- 43 × 10⁶ N/C
- 16 × 10⁶ N/C
- 25 × 10⁶ N/C
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