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What do you mean by the term local earth...

What do you mean by the term local earthing ? Explain how it is done.

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ICSE-HOUSEHOLD CIRCUITS -EXERCISE -9(B)
  1. The diagram in Fig. shows a three-pin socket marked as 1, 2 and 3. ...

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  2. The diagram in Fig. shows a three-pin socket marked as 1, 2 and 3. ...

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  3. What do you mean by the term local earthing ? Explain how it is done.

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  4. To which wire is the metallic case of an electric appliance connected ...

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  5. The earthing of an electric appliance is useful only if the fuse is in...

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  6. Name the part of the appliance which is earthed.

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  7. For earthing an electric appliance, one has to remove the paint from t...

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  8. according to the new international convention ,the colour of insulatio...

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  9. What is the colour code for the insulation on the neutral

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  10. What is the colour code for the insulation on the earth wire

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  11. Which wire in a power circuit is connected to the metallic body of the...

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  12. Name the colour code of the wire which is r connected to switch for...

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  13. How does the colour code of wires in a cable help in house wiring ?

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  14. A power circuit uses a cable having three different wires. Name th...

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  15. A power circuit uses a cable having three different wires. Between...

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  16. A power circuit uses a cable having three different wires. To whic...

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  17. A power circuit uses a cable having three different wires. To whi...

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  18. State two circumstances when one may get an electric shock from an ele...

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  19. Why is it necessary to have an earth wire installed in a power circuit...

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  20. Give two characteristics of a high tension wire.

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