A capacitor with C = 100 nF is charged to V = 10 V. What is the stored charge Q?

Study for the UCF PHY2054 General Physics Exam. Use flashcards and multiple-choice questions complete with hints and explanations. Boost your understanding and get exam-ready!

Multiple Choice

A capacitor with C = 100 nF is charged to V = 10 V. What is the stored charge Q?

Explanation:
Charge stored on a capacitor scales with voltage according to Q = C V. With C = 100 nF and V = 10 V, compute Q = (100 × 10^-9 F)(10 V) = 1 × 10^-6 C, which is 1 μC. So the stored charge is 1.00 μC. The other numbers would require a different capacitance or a different voltage to yield those values (for example, halving the voltage or the capacitance would halve the charge).

Charge stored on a capacitor scales with voltage according to Q = C V. With C = 100 nF and V = 10 V, compute Q = (100 × 10^-9 F)(10 V) = 1 × 10^-6 C, which is 1 μC. So the stored charge is 1.00 μC. The other numbers would require a different capacitance or a different voltage to yield those values (for example, halving the voltage or the capacitance would halve the charge).

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