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What is Comparing EMF of Two Cells Using Potentiometer about?

The experiment aims to compare the EMF of a Leclanche cell and Daniel cell using a potentiometer. Connections are made between the cells, potentiometer, ammeter, and voltmeter. Observations of balancing lengths on the potentiometer are recorded for each cell. Calculations show the ratio of EMF between the Leclanche and Daniel cells is 0.929. Precautions include ensuring all positive poles are connected to the same point and the ammeter reading remains constant. Sources of error include an uncharged auxiliar

Author

Janjyoti Ojah

Language

EN