JAMB Physics 2023 Objective — Question 2

Question 2 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.

From the circuit diagram, calculate the energy stored in the capacitor.

• A. 1.75×10⁻² JCorrect
• B. 1.74×10⁴ J
• C. 3.5×10⁴ J
• D. 3.5×10⁻² J

Explanation

E=½CV²=½×14×10⁻⁶×50²=1.75×10⁻² J.

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