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18. A student measures the charge on a capacitor for a series of different volta

ID: 1652772 • Letter: 1

Question

18. A student measures the charge on a capacitor for a series of different voltages. She obtains the graph shown below. What is the meaning of the area under the graph (shown as shaded in the graph)? No picture but the graph has a positive slope and the shaded area is below the slope.

A) The area under the graph is the area of the parallel plates.

B) The area under the graph is the energy stored in the capacitor

C) The area under the graph is the capacitance of the capacitor

D) The area under the graph is the inverse of the capacitance of the capacitor .

Explanation / Answer

Correct answer: Option (B): The area under the graph is the energy stored in the capacitor.

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