The Circuit in the Figure Has 5 Resistors and 2

question 22

Multiple Choice

The circuit in the figure has 5 resistors and 2 ideal batteries.What is the magnitude of the current in the 3-ohm resistor?

• A)1.2 A
• B)1.5 A
• C)1.8 A
• D)2.6 A
• E)4.5 A

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Definitions:

Unit Contribution Margin

The dollars available from each unit of sales to cover fixed costs and provide operating profits.

Fixed Costs

Expenses that do not change with the level of production or sales over the short term, such as rent and salaries.

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit of a product.

Break-even Point

The level of production or sales at which total revenues equal total expenses, and the business makes neither a profit nor a loss.