Two rods of crossectional area A and 2A and equal length having thermal conductivities 2K and 3K are

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10-2.Transmission of Heat

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Two rods of crossectional area $A$ and $2A$ and equal length having thermal conductivities $2K$ and $3K$ are joined in parallel, then equivalent thermal conductivity of their combination will be-

A

$\frac{5K}{3}$

B

$\frac{8K}{3}$

C

$\frac{11K}{3}$

D

$\frac{13K}{3}$

Solution

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Standard 11

Physics

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