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## Solve the resistance of one resistor of regular polyhedron 3D mesh.

SOLVED  17-Peridot

## Solve the resistance of one resistor of regular polyhedron 3D mesh. R(4)=1/2, R(6)=7/12. How about R(8), R(12) and R(20)?

1 ACCEPTED SOLUTION

Accepted Solutions  17-Peridot
(in response to ttokoro)

Resistance of one resistor branch by Mathcad.  6 REPLIES 6  14-Alexandrite
(in response to ttokoro)

This is a very old problem and I believe the answer is, the equivalent resistance is 1 Ohm.  17-Peridot
(in response to Derbigdog)

Yes, all resistances of each branch is 1 ohm as shown in my picture. The question is the eqivarent registane of one branch of the regular polyhedrons such as regular tetrahedron=1/2 as shown in my question.  21-Topaz I
(in response to ttokoro)

Hi,

You could do the analysis, in the more general case considering the following equivalent network: to simplify, you could use the star-triangle transformation and see if it is possible to determine the equivalent impedance.

(Sorry, I'm referring to your previous 3D network question with the voltage generator.)  17-Peridot
(in response to -MFra-)

Thanks. Your case is a diagonal resistance of regular polyhedron surface.

Regular hexahedron shows 3/4 ohm. I am using current generator of 1 A.

So V=IR =R shows the resistance itself.

My another puzzle Solve diagonal resistance of resistor 3D mesh

But, Solve diagonal resistance of resistor mesh

and this puzzle require the help of Mathcad to solve.   17-Peridot
(in response to ttokoro)

Resistance of one resistor branch by Mathcad.    17-Peridot
(in response to ttokoro)  Announcements
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