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Define mobility and write its SI unit....

Define mobility and write its SI unit.

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KUMAR PRAKASHAN-CURRENT ELECTRICITY-SECTION [A] TRY YOURSELF
  1. What is relaxation time (tau) ?

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  2. What is drift velocity (v(d))?

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  3. Define mobility and write its SI unit.

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  4. How is V rarr I graph of material following Ohm's law.

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  5. " I rarr V relation is not always one-one function" - Explain.

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  6. What is resistivity of perfect conductor?

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  7. For which material with increase in temperature resistivity decrease ?

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  8. How carbon film resisters are prepared ?

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  9. If there are only three bands on carbon film resistors what will be it...

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  10. Write effect of temperature on metals and semiconductor.

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  11. Write equation representing relation between resistivity and temperatu...

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  12. For metals temperature coefficient of resistivity is positive or negat...

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  13. Which material is used to prepare wire bound resistor ?

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  14. Why resistivity of metal decreases with increase in temperature..

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  15. Why resistivity of semiconductor decreases with increase in temperatur...

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  16. What is series connection of resistors ?

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  17. What is meant by parallel connection of resistors ? Derive equation of...

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  18. Write equation of equivalent resistance of n resistors connected in se...

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  19. What is meant by parallel connection of resistors ? Derive equation of...

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  20. In which type of connection of resistors equivalent resistance will in...

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