How Long Is a Wire Made from 50 Cm³ of Copper

question 57

Multiple Choice

How long is a wire made from 50 cm³ of copper if its resistance is 8 ohms? The resistivity of copper is 1.7 × 10^-5 Ω·m.

• A) 4.9 m
• B) 1.7 × 10² m
• C) 1.6 × 10² m
• D) 1.5 × 10³ m
• E) ​23.5 m

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Definitions:

Ions

Charged particles that have either lost or gained electrons, playing critical roles in various biological processes, including nerve impulse transmission and muscle contraction.

Neutral Molecules

Neutral molecules are chemical species without any net electrical charge.

Electrical Activity

The movement of electrically charged particles, such as electrons or ions, which is a fundamental process in biological systems and electronic devices.

Intracellular

Located or occurring within a cell or cells, referring to processes, reactions, or components found inside cells.