A metallic wire is stretched from original length of 3 m to 6 m. If the original cross-sectional area is 4 mm? and original resistance is 6 0, determine the new resistance of the metallic wire.

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Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.