A Parallel Plate Capacitor with Plates of Area a and Plate

question 25

Multiple Choice

A parallel plate capacitor with plates of area A and plate separation d is charged so that the potential difference between its plates is V. If the capacitor is then isolated and its plate separation is decreased to d/2, what happens to its capacitance?

• A)The capacitance is twice its original value.
• B)The capacitance is four times its original value.
• C)The capacitance is eight times its original value.
• D)The capacitance is one half of its original value.
• E)The capacitance is unchanged.

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Definitions:

Temporary Differences

Differences between the accounting value and tax value of assets and liabilities, resulting in deferred tax assets or liabilities.

Deferred Income Taxes

Taxes that are assessed or paid on income that is recognized in one period for financial reporting purposes but in a different period for tax purposes.

Fair Value Increments

Increases in the value of an asset or security that result from a reassessment of its fair value, often reflected in financial statements to show current market conditions.

Deferred Tax Liability

A tax obligation that a company owes and will pay in the future, resulting from timing differences between the recognition of income and expenses for financial reporting and tax purposes.