A Pair of Parallel Plates,forming a Capacitor,are Charged

question 5

Multiple Choice

A pair of parallel plates,forming a capacitor,are charged.The plates are pulled apart to triple the original separation,the charges on the plates remaining the same.What is the ratio of the final energy stored to the original energy stored?

• A) 1/9
• B) 1.5
• C) 1/3
• D) 3

---

Definitions:

Activity Variance

The difference between budgeted activity levels and actual activity levels.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance.

Variable Costs

Expenditures that are directly linked to the production or sales volume, including direct labor and raw materials.

Refurbishing Materials

Materials used in the process of cleaning, repairing, and updating an item to bring it back to a like-new condition, often in electronics and furniture.