Thu May 10, 2012 By: Abhishekkaushik

find the resistance of a hollow cylindrical pipe of length 1meter whose inner and outer radius are 10cm and 20 cm respectively? plz answer thankyou sir

Expert Reply
Thu May 10, 2012
Your data is incomplete.
R=(resistivity)x length/area of cross section
R=(resistivity)x1/?(r22-r12)   where r1 &r2 are inner and outer radius.
here as we do not know the resistivity so we can nopt find out the resistance.
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