Copper Contains 8

question 14

Multiple Choice

Copper contains 8.4 *10²⁸ free electrons per cubic meter.A copper wire of cross-sectional area 7.4 *10^-7 m² carries a current of 1 A.The electron drift speed is approximately:

• A)3 * 10⁸ m/s
• B)10³ m/s
• C)1 m/s
• D)10^-4 m/s
• E)10^-23 m/s

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Definitions:

Marginal Product

The additional output generated by employing one more unit of a factor of production.

Output Level

The total quantity of goods and services that a firm or industry produces over a set period.

Marginal Cost

The additional cost incurred by producing one more unit of a product or service.

Sixth Unit

Refers to the additional, often specifically the sixth item or unit in a sequence or series in various contexts, possibly emphasizing its incremental impact.