Fundamental Physics/Electricity/Electric Heat

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Electric Heat

Heat energy dissipated into the surrounding from the resistor. In any electric circuit, heat energy dissispated is considered as electric energy loss

Electric Heat Energy

In an electric circuit of a voltage source and a conductor that possess a resistanc R, heat energy dissispated through resistor's resistance

P_{R}=I^{2}R(T)={\frac {V^{2}}{R(T)}}

Resistance change with temperature

R(T)=R_{o}+nT

for conductor

R(T)=R_{o}e^{nT}

for semi conductor respectively

Application

Electric Heater

Reference

Electric heating

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