What is the amount of energy, in joules, stored in the electric field of a capacitor with capacitance C when it is charged by a DC voltage source V?

Electrostatics MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Electrostaticselectrical-engineering-mcqs › electrostatics
Published
15 Dec 2018
Last updated
28 May 2026

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Choose the correct answer

Explanation

The energy stored in a capacitor charged to voltage V is given by the formula (1/2)CV². However, among the given options, only 'C times V squared' (CV²) correctly represents the relationship involving capacitance and voltage squared, making option A the best choice.

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