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Answer the following question: Why shou...

Answer the following question:
Why should a double insulated wire or cable be used in the case of appliances such as a mixer and a vacuum cleaner?

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NAVNEET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Answer the following question: Water must not be used to extingusih f...

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  2. Answer the following question: In rainy seasin, we should not touch a...

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  3. Answer the following question: Why should a double insulated wire or ...

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  4. Answer the following question: The accompanying figure shows some ele...

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  5. Answer the following question: The accompanying figure shows some ele...

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  6. Answer the following question: The accompanying figure shows some ele...

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  7. Answer the following question: The accompanying figure shows some ele...

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  8. Answer the following question: The accompanying figure shows some ele...

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  9. Read the following paragraph and answer the questions given below it: ...

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  10. Read the following paragraph and answer the questions given below it: ...

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  11. Read the following paragraph and answer the questions given below it: ...

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  12. Read the following paragraph and answer the questions given below it: ...

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  13. Read the following paragraph and answer the questions given below it: ...

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  14. Give scientific reasons: Connecting wires in a circuit are made of c...

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  15. Give scientific reasons: Wood and glass are good insulators.

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  16. Give scientific reasons: Copper and other metals are good conductors o...

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  17. Give scientific reasons: The melting point of the filament of a bulb ...

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  18. Give scientific reasons: The melting point of the filament of a bulb ...

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  19. Give Scientific reasons: The material used for making fuse wire has ...

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  20. Give Scientific reasons: The material used for making fuse wire has ...

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