A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is...

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Physics

A parallel plate capacitor with plate separation d is connectedto a battery. The capacitor is fully charged to Q Coulombs and avoltage of V. (C is the capacitance and U is the stored energy.)Answer the following questions regarding the capacitor charged by abattery. For each statement below, select True or False.

After being disconnected from the battery, inserting a dielectricwith Îº will increase U.
With the capacitor connected to the battery, decreasing d increasesU.
With the capacitor connected to the battery, inserting a dielectricwith Îº will increase C.
With the capacitor connected to the battery, increasing d increasesC.
After being disconnected from the battery, increasing d decreasesV.
After being disconnected from the battery, inserting a dielectricwith Îº will decrease V.

Answer & Explanation Solved by verified expert

3.6 Ratings (441 Votes)

Before answering Lets look at some capacitance equationsC ko A dwhere k is dielectric constant A is area and d is distancebetween plates C is capacitanceU 05CV2 where U is See Answer

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