To Increase the Current Density in a Wire of Length

question 11

Multiple Choice

To increase the current density in a wire of length and diameter D, you can

• A) decrease the potential difference between the two ends of the wire.
• B) increase the potential difference between the two ends of the wire.
• C) decrease the magnitude of the electric field in the wire.
• D) heat the wire to a higher temperature.
• E) combine both (b) and (d).

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Definitions:

Cyclohexylamine

An organic compound with the formula \(C_6H_{13}N\), characterized by a cyclohexane ring attached to an amine group.

Compound

A compound created when two or more elements combine chemically in specific ratios.

Benzoic Acid

A simple aromatic carboxylic acid with the formula C6H5COOH, used widely as a food preservative.

Methylamine

A simple organic compound consisting of a methyl group linked to an amine group, commonly used in organic synthesis.