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July 25, 2014

Homework Help: physics

Posted by Anonymous on Friday, February 7, 2014 at 8:27pm.

Consider two copper wires with the same cross-sectional area. Wire A is twice as long as wire B. How do the resistivities and resistances of the two wires compare?

CHECK ALL THAT APPLY

Wire A and wire B have the same resistance.
Wire A has twice the resistivity of wire B.
Wire B has twice the resistance of wire A.
Wire A has twice the resistance of wire B.
Wire A and wire B have the same resistivity.
Wire B has twice the resistivity of wire A.

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