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Electric charge are distributed in a small vouume. The flux of the electric field through a spherical surface of rasius 10cm surrounding the total charge is 25 V m. The flux over a concentric sphere of radius 20 cm will be

A

`25 V - m`

B

`50 V-m`

C

`100 V-m`

D

`200 V-m`

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The correct Answer is:
1
Total charge inside sphere of `20 cm` radius remains same.
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