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