The heat is flowing through two cylindrical rods of same material. The – McqOptions

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1.	The heat is flowing through two cylindrical rods of same material. The diameters of the rods are in the ratio 1 : 2 and their lengths are in the ratio 2 : 1. If the temperature difference between their ends is the same, the ratio of rate of flow of heat through them will be [NCERT 1982; CBSE PMT 1995; EAMCET 1997]
A.	1 : 1
B.	2 : 1
C.	1 : 4
D.	1 : 8
Answer» E.

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