Heat Transfer in Electrical Circuits

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In an electrical circuit, current flowing through resistance generates heat, which is a transformation of energy. When heat flows through a substance, it is influenced by the substance's resistance to heat transfer. In a steady state, heat that enters a body eventually flows out, adhering to the conservation of energy principle. If the system is not in steady state, the internal energy of the body increases, resulting in a temperature rise described by the equation mc(dT). Ultimately, heat is considered the final waste product of all other energy forms.
Isaac Ratz
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In an electrical circuit, when current flows through a resistance, heat is produced. Is there some quantity (?) into which heat is transformed when it flows through a substance (all substances having some resistance to heat flow)?
 
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All the heat that flows in a body simply flows out the body, as a result of conservation of energy around your control volume if it is steady state. Otherwise, the internal energy of the body increases as the temperature of the body rises from mc(dT).
 
Heat is the final waste product of all other forms of energy.
 
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