4. The three cells (batteries) shown in the following two diagrams are identical.each cell has an emf of 1,5 V
1. Which diagram (A or B) shows the three cells connected in series.
2. Explain what is the emf of a cell. 3. 3. 3.Calculate the total emf of the battery of three cells connected in series
3. Calculate the total emf of the battery of three cells connected in parallel
4. Give one advantage of connecting cells in parallel.​



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