A Circuit Consists of a Copper Wire of Length 10

question 28

Multiple Choice

A circuit consists of a copper wire of length 10 m and radius 1 mm.The wire is connected to a 10-V battery.An aluminum wire of radius 0.50 mm is connected to the same battery and dissipates the same amount of power.What is the length of the aluminum wire?

• A)5.00 m
• B)2.50 m
• C)1.87 m
• D)1.52 m
• E)3.74 m

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Definitions:

Pressure Gradient

A physical quantity representing the rate of pressure change in space, directing fluid flow from high to low pressure areas.

Concentration Gradient

A variation in the concentration of a substance across a space, leading to diffusion or active transport phenomena.

Semipermeable Membrane

A membrane that allows the passage of certain molecules or ions but restricts others, crucial in processes like osmosis.

High Temperatures

Conditions involving elevated temperatures, often influencing chemical reactions or physical states of matter.