The Resistance of a Wire Increases 3 $^{\circ}$ CWhat Is the Temperature Coefficient of Resistivity of the Wire

The resistance of a wire increases 3.9% when the temperature of the wire is raised 100 $^{\circ}$ C.What is the temperature coefficient of resistivity of the wire material?

A) 3.9 $^{\circ}$ C^-1
B) 0.39 $^{\circ}$ C^-1
C) 0.039 $^{\circ}$ C^-1
D) 0.0039 $^{\circ}$ C^-1
E) 0.00039 $^{\circ}$ C^-1

Correct Answer:

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