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3 metal rods of same length and same area of cross section having the conductivities 1,2,3 units are connected in series. Then their effective thermal conductivity will be.....
@ sreenidhi can u remember to find out the effective resistance in the case of parallel combination of resister . the same formula will going to be used in this case also . k1 = 1 k2 = 2 k3 = 3in series k (eq)_ = 1/k1+1/k2+1/k3 = 1/1+1/2+1/3 = 11/6 so, final answer will be 6/11 beacuse 1/ k (eq ) = 11/6 HOPE IT CLEARS YOUR DOUBT ALL THE BEST ..
l1+l2+l3/K=l1/k1+l2/k2+l3/k3by using this formula,we get the final equivalent conductivity.Hope u will understand!!!
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