When Current Is Flowing in an Ordinary Metal Wire, the Magnitude

question 334

Multiple Choice

When current is flowing in an ordinary metal wire, the magnitude of the average velocity of the electrons is closest to

• A) 1 mm/s.
• B) 1 m/s.
• C) the speed of light.
• D) 1 km/s.
• E) 10 m/s.

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Definitions:

Total Cost

The complete amount of money required for the production of a given level of output, including both fixed and variable costs.

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, representing the profits that exceed normal expected profits.

Marginal Revenue

The surplus earnings generated by the sale of one extra unit of a product or service.

Output

The quantity of goods or services produced in a given time period by a firm, industry, or country.