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A Copper atom has 29 electrons revolving...

A Copper atom has 29 electrons revolving around the nucleus. A copper ball contains `4 xx 10^(23)` atoms. What fraction of the electrons be removed to give the ball a charge of `+9.6 mu C`?

A

`~1.8 xx 10^(-13)`

B

`~ 1.3 xx 10^(-12)`

C

`6 xx 10^(-10)`

D

`~ 5.2 xx 10^(-12)`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Exercise-II
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  2. Two positive charges separated by a distance 2m each other with a forc...

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  3. A Copper atom has 29 electrons revolving around the nucleus. A copper ...

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  4. A pith ball of mass 9 xx 10^(-5) kg carries a charge of 5muC. What mus...

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  5. N fundametal charges each of charge .q. are to be distributed as two p...

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  6. Two point charages placed at a distance r. in the air experiene a cert...

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  7. Two charges 2 C and 6 C are separated by a finite distance. If a charg...

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  8. Two small balls having equal positive charge Q C on each are suspended...

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  9. The force between two similar charges of magnitude 2C each separated b...

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  10. Two charges 2muC and 1muC are placed at a distance of 10cm. Where shou...

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  11. Deuteron and alpha-particle are put 1 A^(@) apart in Air. Magnitude of...

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  12. Two point charges Q and -3Q are placed at some distance apart. If the ...

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  13. The electric field at (30, 30) cm due to a charge of -8nC at the origi...

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  14. Two charges 4 xx 10^(-9)C and -16 xx 10^(-9)C are separated by a dista...

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  15. The number of electrons to be put on a spherical conductor of radius 0...

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  16. The magnitude of electric intensity at a distance .x. from a charge .q...

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  17. Three small spheres each carrying a positive charge Q are placed on th...

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  18. The electric field in a region is radially out ward with magnitude E= ...

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  19. A sphere of mass 50gm is suspended by a string in an electric field of...

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  20. A and B are two points separately by a distance 5cm. Two charges 10 mu...

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