Question

In a split A.C, the inner cooler is formed by a cooling pipe to the outer instrument. The length of the pipe is 3 m and diameter is 1/2 cm. When A.C. is switched on, then the surface area of the pipe cooled in the process has area (shape of pipe is cylinderical)



a) 3π m^2

b) 0.015π m^2

c) 150π cm^2

d) 300π cm^2

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Answer 1

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