Which of the following cylindrical rods will conduct most heat, when t – McqOptions

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1.	Which of the following cylindrical rods will conduct most heat, when their ends are maintained at the same steady temperature [CPMT 1981; NCERT 1973, 81; MP PMT 1987; CBSE PMT 1995]
A.	Length 1 m; radius 1 cm
B.	Length 2 m; radius 1 cm
C.	Length 2 m; radius 2 cm
D.	Length 1 m; radius 2 cm
Answer» E.

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