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The electrical resistivity of few materi...

The electrical resistivity of few materials is given below in ohm-metre. Which of the following can be used for making element of a heating device?

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. What is meant by saying that the potential difference between two poin...

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  2. you are given three resistors of 10 ohm 10 ohm and 20 Ohm a battery of...

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  3. The electrical resistivity of few materials is given below in ohm-metr...

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  4. An electric geyser has rating 2000W, 220V marked on it. What should be...

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  5. Explain the following:How does the resistance of a wire vary with its ...

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  6. SI unit of current is:

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  7. A filament of an electric lamp draws a circuit of 0.4 amperes. Which l...

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  8. Name any one material having a small value of temperature coefficient ...

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  9. An electric bulb draws a current of 0.2A when the voltage is 220 volts...

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

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  11. Will the current flow more easily through a thick wire or a thin wire ...

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  12. Will the current flow more easily through a thick wire or a thin wire ...

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  13. Draw schematic diagram of a circuit consisting of a battery of three c...

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  14. While experimentally verifying ohm's law a student observed that point...

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  15. How is a voltmeter connected in the circuit to measure potential diffe...

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  16. How is ammeter always connected in circuits?

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  17. A copper wire has diameter 0.5 mm, and resistivity of 1.6xx10^-8 ohm -...

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  18. An electric iron has a rating 750 W, 220V. It is used for 5 hours dail...

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  19. An electric iron has a rating 750 W, 220V. It is used for 5 hours dail...

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  20. Two students perform the experiments on series and parallel combinatin...

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