Question

how to draw potentiometer comparing end of 2 cells diagram​

Answer 1

Answer:

draw a potentiometer or voltmeter is connected in parallel so draw in parallel with positive and negative .

Answer 2

Potentiometer is a device used to calculate the potential difference very accurately on the basis of potential gradient it can also be used to compare the emf of 2 cells

Explanation:

• Potentiometer is based on the constant potential gradient and the wire used is of uniform density, it is used to calculate the potential difference very accurately, compare the emf of 2 cells and to calculate the internal resistance of any given cell
• Emf of cells can be compared by using the jockey connected with galvanometer and we get different values of potential across galvanometer for different cells hence we can compare the values of emf of cells
• The diagram is attached below (source of image is google images)

To know more about potentiometer, visit :

Explain the principle of a potentiometer. Describe how will you determine (a) the ratio of emfs of two primary cells using potentiometer. (b) The internal resistance of a primary cell using potentiometer. (c) potential difference of cell using potentiometer

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Why potentiometer is named as potentiometer

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