A Pair of Electric Charges Has a Positive Potential Energy

question 4

Multiple Choice

A pair of electric charges has a positive potential energy. This implies that

• A) the charges have the same sign.
• B) both charges are positive.
• C) both charges are negative.
• D) the charges have opposite signs.

---

Definitions:

Unit Variable Costs

The cost associated with producing one additional unit of product, including materials, labor, and other variable expenses.

Break-even Point

The financial state in which total costs and total revenues are equal, meaning no net loss or gain is incurred by the business.

Variable Costs

Costs that change directly and proportionally with the level of production or business activity, such as materials and labor.

Contribution Margin

The amount by which sales revenue exceeds variable costs, indicating the contribution towards covering fixed costs and generating profit.