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A nonconducting sphere with a cavity has...

A nonconducting sphere with a cavity has volume charge density `rho`. `O_1 and O_2` represent the two centres as shown. The electric fields inside the cavity is `E_0`. Now, an equal and opposite charge is given uniformly to the sphere on its outer surface. The magnitude of electric field inside the cavity becomes

A

zero

B

`E_0`

C

`2E_0`

D

`3E_0`

Text Solution

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The correct Answer is:
B
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