Why do serial connected batteries have a higher voltage? How do serial connected batteries work? - Quora
![If two batteries that are fully charged with opposite polarities and one has higher emf.Does one will charge the other? - Physics Stack Exchange If two batteries that are fully charged with opposite polarities and one has higher emf.Does one will charge the other? - Physics Stack Exchange](https://i.stack.imgur.com/pyl2e.jpg)
If two batteries that are fully charged with opposite polarities and one has higher emf.Does one will charge the other? - Physics Stack Exchange
![Two batteries with e.m.f. 12V and 13V are connected in parallel across a load resistor of 10Ω. The internal resistance of the two batteries are 1Ω and 2Ω respectively. The voltage across Two batteries with e.m.f. 12V and 13V are connected in parallel across a load resistor of 10Ω. The internal resistance of the two batteries are 1Ω and 2Ω respectively. The voltage across](https://sahay.guru/wp-content/uploads/2020/12/41S-1024x752.jpg)