The heat produced in a current carrying conductor is given by H = I2Rt, where R is the resistance of the wire and t is the time period. The resistance of heater wire is very high while resistance of current carrying conductor is very low. Due to this reason, the heater wire gets heated while the current carrying copper wires remain cold and do not conduct the heat for longer distance.
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Grade -12 (NEB) > Science Physics
DC Circuits, Electricity & Magnetism
Why dont’t the conencting wire used to connect heaters get hot by conduction of heat from the heating element?
"Good thermal conductors are also good electrical conductors". If so, why dont't the conencting wire that are used to connect heaters get hot by conduction of heat from the heating element?
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