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Give scientific reasons: In an electric...

Give scientific reasons:
In an electric iron, the coil of high resistance is kept between mica sheets.

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NAVNEET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Give Scientific reasons: The material used for making fuse wire has ...

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

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

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

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  5. Complete the following :

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

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

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

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

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

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

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

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

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

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  15. 1f 20 J of work is done in moving a charge of 5C from one point to ano...

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  16. Calculate the work done in moving a charge of 3C through a potential d...

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  17. A wire carries a current of 0.1 A for 20 seconds. If the potential dif...

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  18. A wire carries a current of 0.1 A for 10 seconds. If the work done in ...

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  19. Calculate the potential difference across a 20 Omega resistor carrying...

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  20. A conductor carries a current of 0.4 A when a potential difference of ...

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