AP Physics 2 : Electrostatics

Study concepts, example questions & explanations for AP Physics 2

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Example Questions

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Example Question #2 : Other Electrostatic Concepts

If the area of the plates of a parallel plate capacitor is doubled and the distance between the plates is halved, then the capacitance is __________.

Possible Answers:

quadrupled

unchanged

halved

quartered

doubled

Correct answer:

quadrupled

Explanation:

Capacitance is directly proportional to area of the parallel plates and indirectly proportional to the distance between the plates. So  and area is doubled  and distance is halved  so the capacitance increases by a factor of 4. 

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