Two batteries of e.m.f. `E_(1)` and `E_(2)` and internal resistance `r_(1)` and `r_(2)` are
Channel: Doubtnut
Date: 2020-01-28

Two batteries of e.m.f. `E_(1)` and `E_(2)` and internal resistance `r_(1)` and `r_(2)` are connected in parallel. Determine their equivelent e.m.f.