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What is meant by good conductors of elec...

What is meant by good conductors of electricity?

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What is meant by bad conductors of electricity?

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VGS PUBLICATION-BRILLIANT-ELECTRICAL CONDUCTIVITY OF LIQUIDS-EXERCISE
  1. Why do we use LED in the tester instead of a bulb ?

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  2. Why do we use LEDs as indicators in electrical appliances ?

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  3. What is meant by good conductors of electricity?

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  4. What is meant by bad conductors of electricity?

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  5. Why does not distilled water conduct electricity ?

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  6. Why is water used at our homes a good conductor of electricity?

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  7. What is electrolytic cell?

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  8. When we pass current through a copper sulphate solution having copper ...

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  9. If the key is to be coated with aluminium instead of copper, what chan...

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  10. A child staying in a coastal region tests the drinking water and also ...

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  11. Is it safe for electrician to carry out electrical repairs outdoor dur...

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  12. A tester is used to check conduction of electricity through two liquid...

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  13. When the free ends of a tester are dipped into a solution, the magneti...

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  14. What is the main threat to environment from electroplating factories?

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  15. Why should we have to deposit nickel or chromium on iron?

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  16. What is the name given to wires attached to LED ? How are these wires ...

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  17. What are the requirements for fine coating in electroplating process ?

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  18. Name three liquids which when tested in the manner shown in figure may...

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  19. If bulb does not glow with the passage of current, what are possible r...

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  20. Why the fire brigade start the work by putting off the electric mains?

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