1.

Twelve wires each of resistance 6Omega are connected to from a cube as shown in the adjoining figure. The current enters at a cornet A and leaves at erhe diagonally opposite corner G.Theequivalent resistance across the corners A and G is

Answer»

`12Omega`
`6OMEGA`
`3Omega`
`5Omega`

SOLUTION :
`R_(AG)=(R)/(3)+R/6+R/3=(5R)/(6)=5/6xx6Omega=5Omega`


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