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CSS Solved Papers
Physics Chemistry

Engineering :: Heat Transfer


  When analogy is drawn between heat flow and electricity flow in circuits, the heat flow of thermal circuits is equated in the electrical circuit against
[A]. Voltage[B]. Current
[C]. Resistance[D]. Charge (coulombs)

Answer: Option B


Atif said:    
 
Explanation: Electric Current is Heat flow through the medium Electric voltage is The temperature difference across medium Electrical Resistance which is R=L/sigmaxA where is electrical conductivity in thermal conduction resistance is equal to R=L/KA where k is thermal conductivity A is area through which heat passes and L is the length or distance the heat travlled

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