Potentiometers and Rheostats Differ in That

question 3

Multiple Choice

Potentiometers and rheostats differ in that:

• A)potentiometers utilize linear and nonlinear tapers, while rheostats usually utilize only linear tapers.
• B)potentiometers utilize three terminals, while rheostats usually use only two terminals.
• C)potentiometers are used to vary voltages, while rheostats vary currents.
• D)all of these.

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Definitions:

Labor Productivity

A measurement of economic performance that shows the amount of goods and services produced per labor hour.

Average Total Cost

The total cost of production divided by the total quantity produced, representing the average cost per unit.

Long Run

A time period in economic analysis during which all factors of production and costs can be variable, allowing for full adjustment to changes in market conditions.

Variable Costs

Costs that vary directly with the level of production or output, such as materials and labor.