Two Wires,A and B,and a Variable Resistor,R,are Connected in Series

question 88

Multiple Choice

Two wires,A and B,and a variable resistor,R,are connected in series to a battery.Which one of the following results will occur if the resistance of R is increased?

• A)The current through A and B will increase.
• B)The voltage across A and B will increase.
• C)The voltage across the entire circuit will increase.
• D)The power used by the entire circuit will increase.
• E)The current through the entire circuit will decrease.

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Definitions:

Marginal Cost

The cost of producing one additional unit of a good or service.

Marginal Cost Curve

A graphical representation showing how the cost of producing one additional unit of a good changes as the production level varies.

Total Variable Costs

The total of all costs that vary with the level of output, including costs for raw materials, labor, and energy, in the production process.

Average Fixed Costs

Fixed costs divided by the quantity of output produced, indicating the fixed cost per unit of output.