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Inside a charged thin conducting shell ...

Inside a charged thin conducting shell of radius R, a point charge `+Q` is placed as shown in figure potential of shell may be

A

Equal to `(Q)/( 4pi epsilon_(0)R)`

B

Smaller than `(Q)/( 4pi epsilon_(0)R)`

C

Greater than `(Q)/( 4pi epsilonR)`

D

None of these

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Knowledge Check

  • A solid conducting sphere of radius 'a' is surrounded by a thin uncharged concentric conducting shell of radius 2a . A point charge q is placed at a distance 4a from common centre of conducting sphere and shell. The inner sphere is then grounded The potential of outer shell is

    A
    `(q)/(32 pi epsi_(0)a)`
    B
    `(q)/(16 pi epsi_(0)a)`
    C
    `(q)/(8 pi epsi_(0)a)`
    D
    `(q)/(4 pi epsi_(0)a)`

  • A solid conducting sphere of radius 'a' is surrounded by a thin unchanged concentric conducting shell of radius 2a. A point charge q is plaed at a distance 4a from common centre of conducting sphere and shell. The inner sphere is then grounded The potential of outer shell is

    A
    `(q)/(32 pi epsilon_(0)a)`
    B
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    C
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    A
    `- (q)/(2)`
    B
    `- (q)/(4)`
    C
    `- (q)/(8)`
    D
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