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The electric field in a region is radial...

The electric field in a region is radially out ward with magnitude E = Ar. Find the charge contained in a sphere of radius 20 cm. Given `A = 100Vm^(-2)`

A

`8.89 xx 10^(-11)C`

B

`9 xx 10^(-11) C`

C

`8.89 xx 10^11 C`

D

`88.9 xx 10^11 C`

Text Solution

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The correct Answer is:
A
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