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The electric field in a region is radial...

The electric field in a region is radially outward with magnitude `E = alphar.` Calculate the charge contained in a sphere of radius R centered at the origin. Calculate the value of the charge if `alpha = 100 Vm^(-2) and R = 0.30 m`.

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`

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The correct Answer is:
A
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