Calculate the total sum of the delta resistances to use as the common denominator.
After conversion, from A: two (6\Omega) resistors to L and R. Each of L and R also have a (6\Omega) to the star’s neutral (which is not a terminal). But easier: Combine from B: B connects to L via (18\Omega), B connects to R via (18\Omega). And from L to R: now the star’s neutral is not B. star delta transformation problems and solutions pdf
Given star resistors: (each connected to the common node). Calculate the total sum of the delta resistances
[ \boxedR_B = \fracR_AB \times R_BCR_AB + R_BC + R_CA ] star delta transformation problems and solutions pdf