Dmitri Places One End of a Copper Rod in a Heat

question 63

Multiple Choice

Dmitri places one end of a copper rod in a heat reservoir and the other end in a heat sink.By what factor is the rate of heat flow changed when the temperature difference between the reservoir and sink is doubled?

• A) 2.0
• B) 1/2
• C) 4.0
• D) 1/4

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Definitions:

Tidal Volume

The amount of air inhaled or exhaled during a normal breath at rest.

Abbreviation

A condensed version of a word or phrase used for space-saving or to avoid repeating.

Material

Substances or components from which things can be made or constructed.

Coughing Up

The act of forcefully expelling substances from the throat or lungs through the mouth, often a symptom of respiratory conditions.