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  • Users: daSapient
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  1. daSapient

    Temp Rise of an Insulated Copper Wire

    The general d.e. (for constant area, and long wire) that you are looking for looks as follows: (A/rho) *V'' - (A/rho^2)*V'*T'* (drho/dt) = 0 The current constancy equation. V'=dV/dx rho=rho0(1+alpha (T-T0)), alpha can be suitably obtained from Handbooks. This d.e. can be readily solved. Then...
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