A Radio Transmitter Is Operating at an Average Power Of 4.00

question 36

Multiple Choice

A radio transmitter is operating at an average power of $4.00 \mathrm {~kW}$ and is radiating uniformly in all directions.What is the average intensity of the signal $8.00 \mathrm {~km}$ from the transmitter?

• A)4.97 μW/m²
• B)2.49 μW/m²
• C)0.00497 W/m²
• D)0.00249 W/m²

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Definitions:

American Revolutionaries

Refers to the colonists of the Thirteen American Colonies who rebelled against British control during the late 18th century, leading to the American Revolutionary War.

French and Indian War

The North American conflict (1754-1763) between British and French forces, including their respective Native American allies, part of a larger series of conflicts known as the Seven Years' War.

Sugar Act

A law passed by the British Parliament in 1764 aiming to raise revenue from the American colonies by imposing a tax on sugar and molasses imported into the colonies.

Stamp Act

A 1765 British Act imposing a tax on the colonies, requiring many printed materials in the colonies to be produced on stamped paper from London, contributing to the American Revolution.