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What is a drift velocity ? Establish the...

What is a drift velocity ? Establish the relations between the drift velocity and electric current.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
  1. What is the internal resistance of a cell ? How it can be measured ?

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  2. What is Non-ohmic device ? Give one example.

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  3. What is a drift velocity ? Establish the relations between the drift v...

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  4. If drift velocity of electron as well as charge on electron is very sm...

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

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  6. Establish the relation between drift velocity of electrons and electri...

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  7. The number density of free electrons in a metal piece is a very large ...

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  8. Standard resistance coils are made up of which material why ?

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  9. What is the effect of the temperature on resistivity of metals

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  10. What is the effect of the temperature on resistivity of semiconductors...

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  11. Why connecting wires are made up of copper ?

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  12. What is resistance of a wire ? What are the factors on which resistanc...

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  13. What is the difference between emf of a cell and potential difference ...

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  14. What is resistivity of a wire ? What are the physical conditions on wh...

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  15. What are the factors on which the resistance of the conductor depends ...

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  16. Distinguish between emf and potential difference.

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  17. Explain colour code for carbon resistor .

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  18. Establish the relation between drift velocity of electrons and electri...

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  19. A large number of free electrons are present in metals.Why is there no...

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  20. What is a drift velocity ? Establish the relations between the drift v...

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