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Two charged spheres A and B having their...

Two charged spheres A and B having their radii in the ratio 1 : 2 are connected together with a conducting wire. The ratio of their surface charge densities `((sigma_(A))/(sigma_(B)))` will be :

A

`1/2`

B

2

C

`1/4`

D

4

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Knowledge Check

  • Two spheres of same metal have radii a and b . They have been connected to a conducting wire. Find the ratio of the electric field intensity upon them.

    A
    a/b
    B
    `b//a`
    C
    `b^(2)//a`
    D
    `b^(2)//a^(2)`

  • Two spheres A and B of radius 'a' and 'b' respectively are at same electric potential. The ratio of the surface charge densities of A and B is

    A
    `(a)/(b)`
    B
    `(b)/(a)`
    C
    `(a^(2))/(b^(2))`
    D
    `(b^(2))/(a^(2))`

  • The electric intensity at a point near a charged conductor of surface charge density sigma is

    A
    `E=sigma//in_(0)k`
    B
    `E=sigmain_(0)k`
    C
    `E=sigma//2in_(0)k`
    D
    `E=sigma^(2)`