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Results tagged with thermoelectricity
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user 172175
7
votes
How much electrical power is needed to melt a wire?
The electric power running in a wire is given by $P = V^2/R$, where $V$ is the voltage and $R$ is the resistance. The resistance is given by $R = \rho_e l/A$ where $\rho_e$ is the resistivity of the m …
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