An Ideal Parallel-Plate Capacitor Consists of Two Parallel Plates of Area

question 75

Multiple Choice

An ideal parallel-plate capacitor consists 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,and the battery is then disconnected.If the separation between the plates is now 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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Definitions:

APC

Average Propensity to Consume; the ratio of total consumption to total disposable income.

45-Degree Line

A graphical representation in economics, typically used in Keynesian cross diagrams, showing points where aggregate expenditure equals total output or income.

C Line

A reference in economic models, often representing the consumption function, which shows the relationship between consumption and disposable income.

Disposable Income

The financial scope households possess for spending and saving activities, following income taxes.