JAMB Physics 2025 Objective — Question 27
Question 27 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2025 Objective paper, with the correct answer and a full explanation.
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A battery of emf 12 V and internal resistance 2 Ω is connected to a 10 Ω resistor. The terminal voltage is:
- A. 2 V
- B. 10 VCorrect
- C. 11 V
- D. 14 V
Explanation
I=12/12=1 A; V_t=E-Ir=12-2=10 V.
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