(a) In the circuit shown in figure, all resistances are identical when a `5 V` supply is connected across AB the current in branch CG is 3 mA. Find the effective resistancce if the circuit between A and B (b) Twelve equal resistances, each equal to R, are placed along the sides of a cube. Find equivalent resistance across. (i) Diagonally opposite points of the cube (ii) Diagonally opposite point on one face of the cube (iii) End points of a side of the cube.

(a) In the circuit shown in figure, all resistances are identical when

1.	(a) In the circuit shown in figure, all resistances are identical when a `5 V` supply is connected across AB the current in branch CG is 3 mA. Find the effective resistancce if the circuit between A and B (b) Twelve equal resistances, each equal to R, are placed along the sides of a cube. Find equivalent resistance across. (i) Diagonally opposite points of the cube (ii) Diagonally opposite point on one face of the cube (iii) End points of a side of the cube.
Answer» Correct Answer - (a) `500 Omega` (b) (i) `(5R)/(6)` (ii) `(3R)/(4) (iii) `(7R)/(12)`

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