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Give scientific reasons: The melting po...

Give scientific reasons:
The melting point of the filament of a bulb is very high.

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NAVNEET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Give scientific reasons: Wood and glass are good insulators.

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

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

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

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

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

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  7. Give scientific reasons: Parallel combination of resistances decrease...

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

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  9. Distinguish between resistance in series and resistance in parallel.

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  10. Complete the following :

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  11. Solve the following examples (numerical problems): An electric charge...

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  12. Solve the following examples (numerical problems): A Wire carries a c...

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  13. Solve the following examples (numerical problems): If a charge of 42...

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  14. Solve the following examples (numerical problems): A current of 0.1 A...

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  15. The charge on a proton is 1.6 times 10^(-19) C, How many protons will ...

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  16. An electric charge of 12 C passes through the cross section of a wire ...

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  17. A wire carries a current of 0.3 A. Calculate the charge passing throug...

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  18. A current of 0.2 A passes through a metal wire for 20 seconds. Calcul...

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  19. A wire carries a current of 0.1 A. Find the time interval during which...

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  20. 1f 20 J of work is done in moving a charge of 5C from one point to ano...

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