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Fyzika

Elektromotorické napětí zdroje v uzavřeném obvodu Ue s vnějším odporem R a vnitřním odporem Ri lze vyjádřit takto:

Elektromotorické napětí zdroje v uzavřeném obvodu U_e s vnějším odporem R a vnitřním odporem R_i lze vyjádřit takto: