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Praxis II General Science

Category - Physics

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Electrical resistance is the resistance of a wire or other conductor to the transfer of electrons through it. Which of the following will affect resistance?

The width of the wire.
The length of the wire.
The composition of the wire.
The air surrounding the wire.
The insulation of the wire.

Explanation

Answer: C - The composition of the wire is the primary influencer of the resistance. The length and width of the wire will have some effect on the total resistance, but not the innate resistance of the wire.

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Praxis II General Science

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