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The resistance of a conductor of length ...

The resistance of a conductor of length x is r. If its area of cross section is a, what is its resistivity? What is its unit?

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TARGET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Answer the following What will be the effecct of change in the lengt...

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  2. Answer the following question: How will you prove that the unit of res...

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  3. The resistance of a conductor of length x is r. If its area of cross s...

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  4. Answer the following Find the expression for the resistors connectre...

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  5. Answer the following What are super conductors?

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  6. Answer the following Find the expressionm for the resistors connecte...

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  7. Answer the following What happens to the effective resistance when i...

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  8. Answer the following question: Three resistances x1, x2 and x3 are con...

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  9. Answer the following question: Three resistances x1, x2 and x3 are co...

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  10. Answer the following question: Three resistances x1, x2 and x3 are co...

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  11. Answer the following question: Three resistances x1, x2 and x3 are co...

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  12. Answer the following question: Three resistances x1, x2 and x3 are co...

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  13. Answer the following question: Three resistances x1, x2 and x3 are co...

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  14. Answer the following State the difference between effective resistan...

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  15. Answer the following An electricia was connecting various dometic ap...

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  16. Give reasons: Potential difference produces a current in the circuit.

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  17. Why are some substances are conductors while others are insulators?

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  18. Give reasons: Why can our body conduct electricity?

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  19. Give reasons: The material with low melting point is used for making ...

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  20. Distinguish between potential difference and electric current.

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