By What Factor Is the Resistance of a Copper Wire $\degree$

question 78

Multiple Choice

By what factor is the resistance of a copper wire changed when its temperature is increased from 20 $\degree$ C to 120 $\degree$ C? The temperature coefficient of resistivity for copper = 3.9 x 10^-3 ( $\degree$ C) ^-1.

• A)0.72
• B)1.06
• C)1.39
• D)1.44

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Definitions:

Psychopathology

The scientific study of mental disorders, including their symptoms, causes, and treatment.

Self-Reports

Information provided directly by individuals about themselves, often used in research or clinical assessment.

Observer Assessments

Observer assessments involve the evaluation or judgement of a subject's behavior, skills, or attributes by someone other than the subject itself.

Dependent Variable

In research, the variable being tested and measured, which is expected to change as a result of manipulations in the independent variable.