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The force between two charges separated ...

The force between two charges separated by a distance 1m is 1.8N. The charges are in the ratio `1: 2` then the charges are

A

`5mu C, 5mu C`

B

`5mu C, 10 mu C`

C

`1mu C, 10 mu C`

D

`10 mu C, 20 mu C`

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The correct Answer is:
D
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AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Practice Exercise
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  2. Four point charges q(A) = 2mu C, q(B)= -5mu C q(C )= 2mu C and q(D) = ...

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  3. The force between two charges separated by a distance 1m is 1.8N. The ...

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  4. In 1 gram of solid, there are 5 xx 10^(21) atoms. If one electron is r...

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  5. Two positively charged particles each of mass is 9 xx 10^(-30)kg and c...

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  6. A charge Q is to be divided into two parts q and (Q-q) such that the f...

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  7. The ratio of the forces between two charges placed at a certain distan...

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  8. Two point charges +2C and +6C repel each other with a force of 12N. If...

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  9. Two small balls having equal positive charge QC on each are suspended ...

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  10. The force between two charges 4C and -2C which are separated by a dist...

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  11. Two charges 9 mu C and 1mu C are placed at a distance of 30cm. The pos...

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  12. Three point charges Q(1), Q(2) and Q(3) in that order are placed equal...

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  13. Tritium and helium are put 2 xx 10^(-10)m apart in air. Magnitude of i...

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  14. 10C and 20C are separated by a distance d. If the electric field at th...

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  15. A charge of mass .m. charge .2e. is released from rest in a uniform el...

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  16. A charge of 10^(-10C is placed at the origin. The electric field at (1...

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  17. Two point charges +8q and -2q are located at x=0 and x=L respectively....

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  18. A hollow spherical conductor of radius 1m has a charge of 250mu C then...

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  19. Two point charges q(A)= 3mu C and q(B) = - 3muC are located 20cm apart...

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  20. The displacement bar(r ) of a charge Q in an electric field E= e(1) ha...

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