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Two metal spheres, one of radius R and the other of radius 2R, both have same surface charge density `sigma.` If they are brought in contact and separated, then the new surface charge densities on each of the sphere are respectively

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The correct Answer is:
`sigma_(1)=(5)/(3)sigma and sigma_(2)=(5)/(6)sigma`
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Knowledge Check

  • Two metal spheres, one fo radius R and the other of radius 2R, both have same surface charge density s. They are brought in contact and seprated. What will be new surface charge densitites on them ?

    A
    `5/2sigma, 5/4sigma`
    B
    `5/3sigma, 5/6sigma`
    C
    `3/5sigma, 6/5sigma`
    D
    `2/3sigma,1/2sigma`
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