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  • The equivalent resistance between any two corners of a tetrahedron as shown in the figure is equal to <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/07/10/68.jpg" style="

The equivalent resistance between any two corners of a tetrahedron as shown in the figure is equal to

Option: 1

r


Option: 2

2 r


Option: 3

\frac{4 r}{3}


Option: 4

\frac{r}{2}


Answers (1)

best_answer

Let the two points be 1 \, \& \, 2. For electrical symmetry points 3 \, \& \, 4 are equipotential. Now eleminate the resistance connected between 3 \, \& \, 4 as it carries no current. \Rightarrow The equivalent resistance of the residual simple circuit is equal to r / 2.

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himanshu.meshram

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