A ring is made of a wire having a resistance R0= 12Ω. Find the points A and B as shown in the figure, at which a current carrying conductor should be connected so that the resistance R of the sub circuit between these points is equal to 8/3 Ω [2012] - VgyanHub

Question:

A ring is made of a wire having a resistance R₁ = 12Ω. Find the points A and B as shown in the figure, at which a current carrying conductor should be connected so that the resistance R of the sub circuit between these points is equal to 8/3 Ω [2012]

Options :

a)l1/l2=5/8
b )l1/l2=1/3
c)l1/l2=3/8
d) l1/l2=1/2

Answer :

d) l1/l2=1/2

Answer Steps :

Step:-1

Step:-2

Step:-3

Step:-4

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