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A small conducting spherical shell with ...

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has total charge +2q, and the outer shell has charge +4q. (K=(1)/(4piepsilon_(0)))

Find the electric field in terms of q and the distance r from the common centre of the two shells for (i) `r lt a` (ii) `a lt r lt b`

A

0,0

B

`+q, - q`

C

2q, -2q

D

`-q, q//2`

Text Solution

Verified by Experts

The correct Answer is:
A
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A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has total charge +2q, and the outer shell has charge +4q. (K=(1)/(4piepsilon_(0))) Find the electric field in terms of q and the distance r from the common centre of the two shells for (i) b lt r lt c (ii) c lt r lt d

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has total charge +2q, and the outer shell has charge +4q. (K=(1)/(4piepsilon_(0))) Find the electric in terms of q and the distance r from the common centre of the two shells for r gt d .

Knowledge Check

  • A conducting sphere of radius a has charge Q on it. It is enchosed by a neutral coorducting concentric spherical shell having inner radius 2a and other radius 3a. Find self energy of outer shell

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    `(11)/(12)(KQ^(2))/(a)`
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