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A wire of length 10 meter is connected ...

A wire of length 10 meter is connected between the terminals of a battery of e.m.f. 8 volts. Later that wire is cut into 5 equal parts. These are connected parallel and the end terminals are connected to battery. In the second case battery give more electric power which is the incorrect option of the following ?

A

The current flowing in second case is 25 times more than that of first case

B

The electric power utilized in second case is 10 times less than first case.

C

The electric utilized in second case is 25 times more than first case

D

The resistance in second case is 1/25th of that of first case.

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BEYOND PUBLICATION-CARBON AND ITS COMPOUNDS-EXERCISE
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  3. The suffix used for naming an aldehyde is

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  4. Acetic acid when dissolved in water it dissociates into ions reversibl...

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  5. Which one of the following hydrocarbons can show isomerism?

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  6. Combustion of hydrocarbon is generally accompanied by the evolution of

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  7. 2ml of ethanoic acid was taken in each of the three test tubes A, B an...

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  8. If 2ml of acetic acid was added slowly in drops to 5ml of water then w...

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  9. A few drops of ethanoic acid were added to solid sodium carbonate. The...

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  10. When acetic acid reacts with ethyl alcohol, we add conc. H2SO4, it act...

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  11. Commercially available ethanol is known is

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  12. Which of the following are molecules of varying sizes and also called ...

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  13. CH3-CH2- CH2-COOH is the IUPAC structure of

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  14. The IUPAC secondary suffix to the functional group for aldehydes is

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  15. The process of producing soaps is called

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  16. Which of the following is used as catalyst in the hydrogenation of veg...

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  17. CH3-CH2- CH2-CH3 what is IUPAC name of the chain ?

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  18. Which of the following is the general formula of a soap ?

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  19. Which of the following is known as tri-hy-droxy alcohol ?

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  20. A spherical aggregate of soap molecules in water is called

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  21. How much % solution of acetic acid in water is called vinegar ?

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