Heat TransferHard
Question
Rate of heat flow through a cylindrical rod is Q1. Temperatures of ends of rod are T1 and T2. If all the linear dimensions of the rod become double and temperature difference remains same it′s rate of heat flow is Q2, then : -
Options
A.Q1 = 2Q2
B.Q2 = 2Q1
C.Q2 = 4Q1
D.Q2 = 4Q2
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