main

prev        

Statement of a problem № 3764

        next    

Twelve cells having the same emf are connected in series and are kept in a closed box. Some of the cells are wrongly connected. This battery is connected in series with an ammeter and two cells identical with others. The current is 3 A when the cells and the battery aid each other and is 2 A when the cells and the battery oppose each other. How many cells in the battery are wrongly connected?

Solution:
Twelve cells having the same emf are connected in series and are kept in a close

New search. (Also 5349 free access solutions)