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A hallow metal sphere of radius R is uni...

A hallow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre:

A

decreases as r increases for `rltR` and `rgtR`

B

increases as r increases for `rltR` and `rgtR`

C

zero as r increases for `rltR`, decreases as r increases for `rgtR`

D

zero as r increases for `rltR`, increases for `rgtR`

Text Solution

Verified by Experts

The correct Answer is:
C
For hollow conducting sphere
For `rltR,E=0`
For `rgtRrArrE=(Keq)/(r^(2))` so e decreases
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Knowledge Check

  • A hollow metal sphere of radius R is uniformly charged The electric field due to the spehre at a distance r from the centre

    A
    Increases as r increases for `rltRand` for `rgtR`
    B
    Zero as r increases for `rltR`, decreases as r increases for `rgtR`
    C
    Zero as r increases for `rltR` , increases as r increases for `rgtR`
    D
    Decreases as r increases for `rltRand` for `rgtR`

  • A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric filed due to the sphere at a distance r from its centre

    A
    (a) increases as r increases, for `rltR`.
    B
    (b) decreases as r increases, for `0ltrltoo`.
    C
    (c) decreases as r increases, for `Rltrltoo`.
    D
    (d) is discontinuous at `r=R`.

  • A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field due to its sphere at a distance r from its centre.

    A
    Increases as r increases inside the sphere
    B
    Decreases as r increases inside as well as outside
    C
    Increases as increases outside the sphere
    D
    Is discontinuousat r=R
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