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A positively charged sphere of radius r(...

A positively charged sphere of radius `r_(0)` carries a volume charge density `rho_(E)` (Figure). A spherical cavity of radius `r_(0)//2` is then scooped out and left empty, as shown. What is the direction and magnitude of the electric field at point B?

A

`(17rhor_(0))/(54in_(0))"left"`

B

`(rhor_(0))/(6in_(0))"left"`

C

`(17rhor_(0))/(54in_(0))"right"`

D

`(rhor_(0))/(6in_(0))"right"`

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