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Two rods of same length having conductiv...

Two rods of same length having conductivities `60Wm^(-1)K^(-1),40Wm^(-1)K^(-1)` and areas `0.2m^(2),0.3m^(2)` are connected in Parallel to each other. The effective conductivity of the combination is

A

`50Wm^(-1)K^(-1)`

B

`45Wm^(-1)K^(-1)`

C

`52Wm^(-1)K^(-1)`

D

`48Wm^(-1)K^(-1)`

Text Solution

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The correct Answer is:
D
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