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Give scientific reasons: For electric ...

Give scientific reasons:
For electric power transmission , copper or aluminium wire is used.

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NAVNEET PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. Answer the following questions : Observe the figure and answer the f...

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  2. Answer the following questions : Observe the following figure. Whic...

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  3. Give scientific reasons: For electric power transmission , copper or...

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  4. Give scientific reasons: In practice the unit KW.h, rather than the ...

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  5. Give Scientific reasons: Tungsten metal is used to make a solenoid t...

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  6. Give scientific reasons: The filament of an electric bulb is made of...

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

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  8. Give scientific reasons: The filament of a bulb should have a high m...

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  9. Give Scientific reasons: In the electric equipment's producing heat ...

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  10. Give scientific reasons: The coils in heating devices such as a toas...

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  11. Give scientific reasons: In an electric iron, the coil of high resist...

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

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

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  14. Distinguish between the following Electric motor and Electric genera...

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  15. Distinguish between : AC generator and DC generator.

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  16. Distinguish between the following Alternating current and Direct cur...

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  17. Read the given passage and answer the following questions: The home ...

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  18. Read the given passage and answer the following questions: The home ...

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  19. Read the given passage and answer the following questions: The home ...

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  20. Solve the following examples/ numerical problems. An electric bulb i...

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