The Figure Shows a Graph of the Resistance of a Wire

question 42

Multiple Choice

The figure shows a graph of the resistance of a wire as a function of its length. What physical quantities does the slope of this graph represent?

• A) the cross-sectional area of the wire
• B) the resistivity of the material of which the wire is made
• C) the product of the resistivity and the cross-sectional area of the wire
• D) the resistivity of the material divided by the cross-sectional area of the wire
• E) the reciprocal of the resistivity of the material

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Definitions:

Generalized Anxiety

A psychological disorder characterized by excessive, uncontrollable, and often irrational worry about everyday things, significantly surpassing normal anxiety levels.

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about various aspects of daily life.

Major Depressive Disorder

A mental disorder characterized by a persistent and intense feeling of sadness or despair.

Panic Disorder

A psychiatric disorder characterized by recurrent unexpected panic attacks—sudden surges of overwhelming fear and discomfort that peak within minutes.