Potentiometer in Urdu | 12th class physics | physics ka safar

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In this video I have discussed the most important concepts of potentiometer
The queries solved in this video are
1. potentiometer
2. what is potentiometer?
3. construction of potentiometer.
4. why we use potentiometer?
5. uses of potentiometer.
6. how we use potentiometer as potential divider ?
7. how we use potentiometer to find unknown emf of cell ?
8. how we use potentiometer to find internal resistance of cell?
9. how we compare the emf of two cells by using potentiometer ?
10. what is jocky
11. how we use jocky?
12. how we can change the potential by using sliding contact?
13. potentiometer
14. how potentiometer is better than voltmeter and why?
15.working of potentiometer
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