#### Question

a.

ln (r2/r1)/2πLk

b.

ln (r2/r1)/πLk

c.

ln (r2/r1)/2Lk

d.

ln (r2/r1)/2πk

Posted under Steady State Conduction Heat Transfer

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###### Q. The quantity d t/Q for conduction of heat through a body i.e. spherical in shape is

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