A 9-volt battery is connected to a capacitor that stores 4.5 * 10-3 joules of energy. Calculate the amount of charge on the capacitor.

Question

Nina

Physics

6 January, 02:37

A 9-volt battery is connected to a capacitor that stores 4.5 * 10-3 joules of energy. Calculate the amount of charge on the capacitor.

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Answers (2)

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Geovanni Rowe · Answer 1

D. 1 * 10-3 C

Explanation:

I just took it

Keyla · Answer 2

Amount of charge on the capacitor=q=10⁻³C

Energy stored=4.5x10⁻³ J

potential difference = 9 V

Energy stored = E = 1/2 q V

4.5x10⁻³ = 1/2 q (9)

q=10⁻³C

Thus the amount of charge on the capacitor=q=10⁻³C