All of the Following Statements Are True EXCEPT

question 1

Multiple Choice

All of the following statements are true EXCEPT:

• A)variable resistors, called rheostats or potentiometers, are also used to control the speed and intensity of electrical loads.
• B)a rheostat varies current flow through the circuit as a movable wiper runs along a resistor.
• C)a potentiometer varies the voltage in a circuit.
• D)a variable resistor is commonly called a "volt," whether it is a potentiometer or a rheostat.

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Definitions:

Price

The amount of money needed to buy a particular good, service, or resource.

Opportunity Cost

The cost of forgone alternatives; the value of the next best choice that one gives up when making a decision.

Keg

A keg is a small barrel traditionally used for transporting and storing large quantities of liquid, especially beer.

Pizzas

A popular dish made from flattened dough topped with tomato sauce, cheese, and various other ingredients, baked at a high temperature.