Given Two Wires (With Circular Cross-Section), One of Copper Having

question 9

Multiple Choice

Given two wires (with circular cross-section) , one of copper having a length of 1.0 m and a diameter of 1.0 mm, the other of gold with a diameter of 2.0 mm, what length must the gold wire be in order to have the same resistance as the copper wire?

• A)1.4 m
• B)2.8 m
• C)4.2 m
• D)5.6 m

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Definitions:

Causation

The relationship between cause and effect, where one event (the cause) leads to the occurrence of another event (the effect).

Mental Health Problems

Disorders that can affect your mood, thinking, and behavior, leading to distress or impairment in social, occupational, or other important activities.

Correlation

A measure of the degree to which two variables change together, indicating a relationship between them but not causation.

Survey Study

A research method involving the collection of data from a predetermined population or group by means of a questionnaire or interview.