If a Current of 2

question 16

Multiple Choice

If a current of 2.4 A is flowing in a cylindrical wire of diameter 2.0 mm,what is the average current density in this wire?

• A) 7.6 × 10⁵ A/m²
• B) 5.2 × 10^-6 A/m²
• C) 1.9 × 10⁵ A/m²
• D) 3.6 × 10⁵ A/m²
• E) 21 × 10^-6 A/m²

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Definitions:

Transformation

A marked change in form, nature, or appearance, often used in the context of biological processes, social change, or technology development.

Troposphere

The lowest layer of Earth's atmosphere where most weather phenomena and life as we know it exists.

Stratosphere

The stratosphere is the second major layer of Earth's atmosphere, located above the troposphere and characterized by a temperature inversion with altitude.

Hydrocarbons

Organic compounds consisting entirely of hydrogen and carbon, found in fossil fuels and used as a primary energy source and raw material in chemical manufacturing.