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Two capillaries of length l and 2l or ra...

Two capillaries of length l and 2l or radii R and 2R are connected in series. The net rate of flow of fluid through them will be

A

a)`8/9 xx (piPR^4)/(8etal)`

B

b)`9/8 xx (piPR^4)/(8etal)`

C

c)`3/7 xx (piPR^4)/(8etal)`

D

d)`17/5 xx (piPR^4)/(8etal)`

Text Solution

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The correct Answer is:
A
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