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  • The equivalent resistance of the triangular bipyramid between points 4 and 5 , Assume the resistance of each branch to be r. <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/0

The equivalent resistance of the triangular bipyramid between points 4 and 5 , Assume the resistance of each branch to be r.

Option: 1

\mathrm{5 r / 2}


Option: 2

2 \mathrm{r} / 3


Option: 3

\mathrm{2 r / 5}


Option: 4

\mathrm{2 r / 7}


Answers (1)

best_answer

Due to symmetry points 1, 2 and 3 are at same potential and no current flows through 1-2, 23 and 3-1

\mathrm{R_{45}=\frac{r}{3}+\frac{r}{3}=\frac{2 r}{3}}

Posted by

Divya Prakash Singh

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