engineering recuitment UPCL AE (E&M) 2021 Mock Test Network Theory Network Elements Star to Delta Conversion
स्टार से डेल्टा रूपांतरण में
1
Ra = R1 + R2 + (R2 R1)/R3
2
Ra = R2 + R3 + (R2 R3)/R3
3
Ra = R2 + R3 + (R2 R3)/R1)
4
Ra = R2 + R32 + (R1 R2)/R3