Equal but Opposite Charges Q Are Placed on the Square

question 4

Multiple Choice

Equal but opposite charges Q are placed on the square plates of an air-filled parallel-plate capacitor.The plates are then pulled apart to twice their original separation,which is small compared to the dimensions of the plates.Which of the following statements about this capacitor are true? (There may be more than one correct choice.)

• A) The energy stored in the capacitor has doubled.
• B) The energy density in the capacitor has increased.
• C) The electric field between the plates has increased.
• D) The potential difference across the plates has doubled.
• E) The capacitance has doubled.

---

Definitions:

Liabilities

Financial obligations or debts owed by a business to another entity, payable in the future.

Owner's Equity

The residual interest or ownership claim in the assets of an entity after deducting its liabilities.

Balance Sheet

A financial statement that reports a company's assets, liabilities, and shareholders’ equity at a specific point in time.

Liabilities

Financial obligations or debts a company owes to external parties or entities.