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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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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. Name any one material having a small value of temperature coefficient ...

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

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

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

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

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

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

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

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  9. How is ammeter always connected in circuits?

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

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

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

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

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  14. Find the equivalent resistance between A and B in the following circui...

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  15. Two metallic wires A and B of same material are connected in parallel....

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  16. What is the meaning of the terms frequency of an altrnating current? W...

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  17. Electrical resistivities of some substances at 20^@C are given below: ...

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  18. Electrical resistivities of some substances at 20^@C are given below: ...

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  19. What is electric circuit?

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  20. Calculate the resistance of an electric bulb which allows a 10 A curre...

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