The Electron Density in Copper Is 8

question 75

Multiple Choice

The electron density in copper is 8.49 *10²⁸ electrons/m³.The electron charge is e = -1.60 *10 ^{- 19} C.When a 1.00 A current is present in a copper wire with a 0.40 cm² cross-section,the electron drift velocity,in m/s,with direction defined relative to the current density,is

• A)-1.84 *10 ^{- 6}.
• B)+1.84 * 10 ^{- 6}.
• C)-1.84.
• D)-5.43 * 10 ^- .
• E)+5.43 * 10 ^- .

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Definitions:

Utilitarian Theory

A moral philosophy that emphasizes the greatest happiness for the greatest number, often used in decision-making processes.

Societal Utility

The degree to which something meets the needs and contributes to the well-being or benefit of society.

Means of Production

The physical and non-physical inputs used in the production of goods and services, such as factories, machinery, and labor.

Duty-Based Ethics

A moral philosophy that emphasizes the adherence to a set of rules or duties as the basis for ethical behavior.