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Answer the following question: Why must...

Answer the following question:
Why must the insulation of the wires carrying electric current be checked periodically?

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NAVNEET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Answer the following question: A wireman dies while on job due to ele...

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  2. Answer the following question: Explain why we should wear gloves made...

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  3. Answer the following question: Why must the insulation of the wires c...

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  4. Answer the following question: Water must not be used to extingusih f...

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

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

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

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

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

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

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

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

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

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

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

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

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