How Long Is a Wire Made from 100 Cm³ of Copper

question 55

Multiple Choice

How long is a wire made from 100 cm³ of copper if its resistance is 4.0 ohms? The resistivity of copper is 1.7 × 10^-5 Ω·m.

• A)4.9 m
• B)1.7 × 10² m
• C)2.6 × 10² m
• D)1.5 × 10³ m
• E)24 m

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Definitions:

Smelted

The process of extracting a metal from its ore by heating and melting, often involving a chemical reduction reaction.

Carload

A shipping term used to indicate the minimum quantity of cargo necessary for goods to be shipped at a carload rate, typically pertaining to rail transport.

Smelted

The process of extracting a metal from its ore by heating and melting.

Carload

A shipping term denoting the minimum quantity of cargo required for a shipper to qualify for a reduced rate.