A Capacitor Consists of a Set of Two Parallel Plates

question 57

Multiple Choice

A capacitor consists of a set of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery and charged until its plates carry charges +Q and -Q. If the separation between the plates is doubled, the electrical energy stored in the capacitor will

• A) double.
• B) quadruple.
• C) be cut in half.
• D) be cut in fourth.
• E) not change.

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