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  • If two rods of equal area, have thermal conductivity  and  respectively are joined in parallel thei

If two rods of equal area, have thermal conductivity 2K and 6K respectively are joined in parallel their equivalent current thermal conductivity (in K) is

Option: 1 3

Option: 2 4

Option: 3 5

Option: 4 6

Answers (1)

As we have learnt,

 

Equivalent Thermal Conductivity in Parallel -

K_{eq}=\frac{K_{1}+K_{2}}{2}

- wherein

For two slabs of equal area.

 

 

K_{eq}=\frac{K_{1}+K_{2}}{2} = \frac{2K+6K}{2} = 4K

 

Posted by

Ramraj Saini

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