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A circuit consists of a wire with resistivity ρ and length L connected to a voltage...

A circuit consists of a wire with resistivity ρ and length L connected to a voltage source. A piece of the wire is cut, reducing its length by 25%. How should the voltage be set so that the power dissipated by the wire is the same?
Select one:
a. Voltage should be reduced by 25%
b. Voltage should be reduced by 50%
c. Voltage should be reduced by 75%
d. Voltage should be reduced by 13%
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