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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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BAL BHARTI-CURRENT ELECTRICITY -Exercises
  1. Umesh has two bulbs having resistances of 15 Omega and 30 Omega. He wa...

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  2. Umesh has two bulbs having resistances of 15 Omega and 30 Omega. He wa...

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  3. Umesh has two bulbs having resistances of 15 Omega and 30 Omega. He wa...

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  4. Answer the following question: The following table shows current in am...

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  5. Answer the following question: The following table shows current in am...

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  7. Match the pairs

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

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  9. Resistances R1, R2, R3 and R4, are connected as shown in the figure. S...

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  10. Resistances R1, R2, R3 and R4, are connected as shown in the figure. S...

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  11. Resistances R1, R2, R3 and R4, are connected as shown in the figure. S...

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

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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 question: Three resistances x1, x2 and x3 are co...

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

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

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

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  18. The resistance of a 1m long nichrome wire is 6 Omega. If we reduce the...

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  19. When two resistors are connected in series, their effective resistance...

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  20. Solve the following examples (numerical problems): If a charge of 42...

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