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On what factors does the resistance of a...

On what factors does the resistance of a conductor depend?

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a) ) Nature of the substance.
b) Length and area of cross-section of the conductor.
c) Temperature.
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE (VERY ANSWER QUESTIONS)
  1. Define ohm.

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  2. What is conductance: Give its unit.

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  3. On what factors does the resistance of a conductor depend?

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  4. The manganin wire is used in the preparation of standard resistance. W...

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  5. What is temperature coefficient of resistivity? What are its units?

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  6. Is Ohm's law a fundamental law?

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  7. What is an ideal cell?

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  8. What is the terminal voltage of a cell ? When it will be equal to the ...

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  9. When a cell is charged by sending current into the cell, what will be ...

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  10. What are good conductors? Give examples.

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  11. Which of the two, namely voltmeter and potentiometer is preferable to ...

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  12. Define kilowatt-hour unit of energy.

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  13. On what conservation principles the first and the second laws of Kirch...

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  14. What is the advantage of a meter bridge over a Wheatstone bridge?

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  15. What is the principle of potentiometer?

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  16. When is the series combination of cells advantageous and why?

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  17. When is the parallel combination of cells advantageous and why?

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  18. What are the advantages of using a potentiometer?

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  19. "Electrons alone are the current carriers in conductors". Explain whet...

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  20. What conclusion can you draw from the following observation on a resis...

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