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By which material is a potentiometer wir...

By which material is a potentiometer wire normally made and why?

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Of which material is a potentionmeter wire normally made and why?

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Electrical Measurements -Exercise
  1. Explain how will you compare the e.m.f’s of two cells by a potentiomet...

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  2. Define the term‘Resistivity’and electrical‘conductivity’and state thei...

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  3. By which material is a potentiometer wire normally made and why?

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  4. With the help of circuit diagram explain how a metre bridge can be use...

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  5. Draw diagram of aWheatstone bridge and by using Kirchhoff’s Laws deriv...

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  6. State and explain Kirchhoff’s 1st law

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  7. What is potentiometer ? Discuss its principle.

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  8. With the help of a circuit diagram, explain how a metre bridge is used...

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  9. Explain how will you compare the e.m.f’s of two cells by a potentiomet...

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  10. What is the internal resistance of a cell ? How it can be measured ?

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  11. With the help of a circuit diagram, explain how a metre bridge is used...

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  12. With the help of a circuit diagram, explain how a metre bridge is used...

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  13. What is the internal resistance of a cell ? How it can be measured ?

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  14. Draw diagram of aWheatstone bridge and by using Kirchhoff’s Laws deriv...

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  15. Explain how will you compare the e.m.f’s of two cells by a potentiomet...

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  16. Explain two methods to increase sensitivity of potentiometer

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  17. Define internal resistance of a cell and find an expression for it.

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  18. Draw a circuit diagram for the comparison of e.m.f. of two primary cel...

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  19. Draw diagram of aWheatstone bridge and by using Kirchhoff’s Laws deriv...

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  20. Draw diagram of aWheatstone bridge and by using Kirchhoff’s Laws deriv...

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