The Figure Shows a Graph of the Resistance of a Wire

question 76

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

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Definitions:

Compounded Semiannually

An interest calculation method where interest is added to the principal amount twice a year, leading to interest on interest by the period's end.

Investment

A placement of capital in expectation of deriving income or profit.

Return on Investment

A measure used to evaluate the efficiency of an investment or to compare the efficiencies of several different investments.

Deferred Tax Liability

A tax obligation owed by an entity in the future due to temporary differences between the book value of assets and liabilities and their tax value.