Consider Two Copper Wires of Equal Cross-Sectional Area

question 176

Multiple Choice

Consider two copper wires of equal cross-sectional area.One wire has 3 times the length of the other.How do the resistivities of these two wires compare?

• A)Both wires have the same resistivity.
• B)The longer wire has 3 times the resistivity of the shorter wire.
• C)The longer wire has 9 times times the resistivity of the shorter wire.
• D)The longer wire has 27 times times the resistivity of the shorter wire.

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Definitions:

Study Design

The overall strategy chosen to integrate the different components of the study in a coherent and logical way, thereby ensuring the study addresses the research question.

Data Collection

The process of gathering and measuring information on variables of interest, in a systematic fashion.

Statistical Methods

Techniques used for collecting, analyzing, interpreting, and presenting numerical data.

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