JAMB Physics 2015 Objective — Question 43
Question 43 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2015 Objective paper, with the correct answer and a full explanation.
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If a current of 4.6A was passed through a wire of resistance 6.5Ω, the potential difference across the wire is
- A. 1.4V
- B. 0.7V
- C. 29.9VCorrect
- D. 48.5V
Explanation
V = IR = 4.6×6.5 = 29.9V.
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