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Why are some substances are conductors ...

Why are some substances are conductors while others are insulators?

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TARGET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Answer the following An electricia was connecting various dometic ap...

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

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

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

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

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  6. Distinguish between potential difference and electric current.

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  7. Distinguish between resistance in series and resistance in parallel.

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  8. Questions based on paragraph While performing an experiment on electr...

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  9. Questions based on paragraph While performing an experiment on electr...

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  10. Questions based on paragraph While performing an experiment on electr...

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  11. Questions based on paragraph While performing an experiment on electr...

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  12. Questions based on paragraph While performing an experiment on electr...

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

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

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

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  16. Acurrent of 0.4Aflowsthrough a conductor for 5minutes. How much charge...

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  17. A current of 0.24 A flows through a conductor when a potential differe...

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  18. The resistance of the filament in a light bulb is 1000 Omega. If the b...

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  19. Determine the current that will flow when a potential difference of 33...

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  20. The length of a conducting wire is 50 cm and its radius is 0.5 mm. If ...

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