Question

39. Rate of heat flow through a cylindrical rod is Qz.
Temperatures of ends of rodare T, and Tg. If all the
linear dimensions of the rod become double and
temperature difference remains same, it's rate of
heat flow is Qą, then :-
(1) Q, = 2Q,
(2) Q2 = 2Q,
(3) Q2 = 40,
(4) Q, = 4Q,​

Answer 1

Answer:

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Explanation:

2 May be 3

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Answer 2

Answer:

answer is 3...

Explanation:

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