A ring is made of a wire having a resistance R₀ = 12 Ω. 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.
A
l₁/l₂ = 1/2
B
l₁/l₂ = 5/8
C
l₁/l₂ = 1/3
D
l₁/l₂ = 3/8

Question

A ring is made of a wire having a resistance R₀ = 12 Ω. 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.

A

l₁/l₂ = 1/2

B

l₁/l₂ = 5/8

C

l₁/l₂ = 1/3

D

l₁/l₂ = 3/8

Accepted Answer

l₁/l₂ = 1/2

Answer

l₁/l₂ = 5/8

Answer

l₁/l₂ = 1/3

Answer

l₁/l₂ = 3/8

AIPMT PRELIMS 2012 Physics Resistance in Circuits MCQ Question

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