A Metallic Conductor Has a Resistivity of 18 X 10^-6

question 23

Multiple Choice

A metallic conductor has a resistivity of 18 x 10^-6 W*m.What is the resistance of a piece that is 30 m long and has a uniform cross sectional area of 3.0 x 10^-6 m²?

• A)0.056 W
• B)180 W
• C)160 W
• D)90 W

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Definitions:

Cartilage Skeleton

A type of skeletal structure found in certain animals, including sharks and rays, that is made entirely of cartilage rather than bone.

Electric Currents

The flow of electric charge through a conductor, which can be used for power generation, heating, lighting, and as a signal in electronics.

Gill Arches

The skeletal elements supporting the gills in fish and some amphibians, essential for respiration in aquatic environments.

Cranium

The part of the skull that encloses the brain.