An object has a net charge of −4.8 µC. How many excess electrons does it have? (e = 1.6 × 10⁻¹⁹ C)
University of Ilorin PHY102 2026-test past question
- 7.68 × 10⁻²³
- 3.0 × 10¹⁴
- 3.0 × 10¹³
- 3.0 × 10¹⁹
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