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Three small balls, each of mass 10 g , a...

Three small balls, each of mass 10 g , are suspended from a common point by 1-m silk threads . The balls are identically charged and hung at the corners of an equiliteral triangle of 0.1 m. What is the charge on each ball ?

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The correct Answer is:
`6 xx 10^(-8)` C
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NN GHOSH-ELECTRIC FIELD AND POTENIAL-EXERCISE-B
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  2. Three charges -1 mu C,2 muC "and" 3 nuCare placed respectively at the ...

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  3. Three small balls, each of mass 10 g , are suspended from a common po...

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  4. In the Bohr model of the hydrogen atom, an electron revolves in a circ...

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  5. Two equal positive point charges are sperated by a distance of 2a. A p...

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  6. An alpha particle of velocity 1.6xx10^(7) ms^(-1) approaches a gold nu...

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  7. Three charges -q, +q and -q are placed along a st. line at equal dista...

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  8. Two concentric spherical shells of conducting material and of radii a ...

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  9. Two equal charges, +Q each, are at a distance r from each other. A thi...

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  10. An infinite number of charges, each equal to q are arranged in a line ...

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  11. Four charges +q,+2q,+3q and +4q are placed at the four corners ABCD of...

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  12. Two identical positive charges are placed at the diagonally opposite c...

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  13. A charge Q is placed at each of the two opposite corners of a square ...

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  14. A thin copper ring of radius a is charged with q units of electricity....

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  15. A an electron is placed at the centre of the copper ring of problem 37...

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  16. A thin half- ring of radiusb 20 cm is uniformly charged with a tot...

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  17. A thin nonconducting ring of radius r has a linear charge density q=q0...

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  18. A thin wire ring of radius r has an electric charge q. What is the ten...

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  19. A charge +Q is uniformly distributed over a thin ring of a radius R. F...

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  20. Three identical particals, each of charge Q=0.5 mu C and mass m=7.5xx1...

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