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Define S.I. unit of resistance....

Define S.I. unit of resistance.

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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
  1. State Ohm's law.

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  2. Explain the resistance of a conductor. State its unit and dimension.

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  3. Define S.I. unit of resistance.

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  4. Draw VI. curve of a conductor.

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  5. Define conductance. State its unit and dimension

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  6. Derive the relation between electric field and current density.

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  7. Show that σ = \(\frac{ne^2\tau}{m}\). Where symbols have usual meaning...

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  8. A Flashlight usestwo 1.5V batteries to provide a steady current of 0.5...

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  9. DC current flows in a metal piece of non-uniform cross-section. Which ...

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  10. Explain the limitations of Ohm's law.

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  11. Distinguish between ohmic substances and non-ohmic substances.

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  12. Define the expression for power. State its unit.

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  13. Explain the heating effect of electric current.

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  14. An electric heater takes 6A current from a 230V supply line, calculate...

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  15. The heating element connected to 230V draws a current of 5A. Determine...

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  16. What are resistors? State its types and uses.

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  17. Explain the colour code system for resistors.

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  18. Find the value of resistances for the following colour code. Blue Gr...

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  19. Find the value of resistances for the following colour code. Brown Bl...

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  20. Find the value of resistances for the following colour code. Red Red ...

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