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Question Number 140698 by BHOOPENDRA last updated on 11/May/21

Commented by BHOOPENDRA last updated on 11/May/21

B part Mr.W

BpartMr.W

Answered by mr W last updated on 11/May/21

Commented by mr W last updated on 11/May/21

L=((2πr)/4)=((πr)/2)  A=tdr  R=((ρL)/A)=((ρπr)/(2tdr))  dI=(V/R)=((V2tdr)/(ρπr))  I=V∫((2tdr)/(ρπr))  R_(total) =(V/I)=(1/(∫_a ^b ((2tdr)/(ρπr))))=((ρπ)/(2t∫_a ^b (dr/r)))=((ρπ)/(2tln (b/a)))

L=2πr4=πr2A=tdrR=ρLA=ρπr2tdrdI=VR=V2tdrρπrI=V2tdrρπrRtotal=VI=1ab2tdrρπr=ρπ2tabdrr=ρπ2tlnba

Commented by BHOOPENDRA last updated on 11/May/21

thankyou

thankyou

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