railway RRB JE (CBT I + CBT II) Mock Test 2024 Network Theory Network Elements Star to Delta Conversion
In star to delta transformation
1
Ra = R1 + R2 + ((R1R2)/R3)
2
Ra = R2 + R3 + ((R2R3)/R3)
3
Ra = R2 + R3 + ((R2R3)/R1)
4
Ra = R2 + R3 + (R1 + R2 + R3)