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Prove that the current density of a meta...

Prove that the current density of a metallic conductor is directly proportional to the drift velocity of electrons.

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MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. Define drift velocity of electricity and establish its relation with v...

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  2. Explain the term drift velocity of electrons. Hence obtain the express...

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  3. Prove that the current density of a metallic conductor is directly pro...

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  4. Define 'relaxation time' in a conductor. Explain how it varies with in...

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  5. What is the effect of temperature on relaxation time in a metal?

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  6. Derive an expression for drift velocity of free electrons in a conduct...

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  7. Define relaxation time of the electrons drifting in a conductor. How i...

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  8. What is drift velocity?

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  9. What are ohmic and non-ohmic resistors? Give one example of each.

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  10. Deduce Ohm's law using the concept of drift velocity.

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  11. Discuss the various situations, which describe the failure of Ohm's la...

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  12. Resistance of a conductor depends on:

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  13. Resistance of a conductor depends on:

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  14. On what factors resistivity of the material depend?

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  15. Explain how the resistivity of a conductor depends upon relaxation tim...

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  16. Define 'relaxation time' in a conductor. Explain how it varies with in...

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  17. Define the term resistivity and write its S.I. unit. Derive the expres...

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  18. What do you understand by electrical resistivity and give its relation...

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  19. Show that the resistance of a conductor is given by: R = (ml)/(n e^2 t...

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  20. A conductor of length l is connected to a d.c. source of potential V. ...

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