If six identical cells each having an e.m.f. of 6 V are connected in parallel, the e.m.f. of the combination is

If the identical cells each having an emf of 20 V are connected in Parallel, then the emf of the combinations is

Five dry cell each of e.m.f 1.5V are connected in parallel. The e.m.f of the combination is

If n cells each of emf xi are connected in parallel, the effective emf of the combination is :

Three identical cells of e.m.f. 1.5 V are connected in parallel. The total e.m.f. of the combination is "_____" .

Three identical 3 V batteries are connected in the parallel. The emf of the combination is :