A Cylindrical Wire of Radius 1 $\mu$ C/m³ $\times$ 10³ N/C $\times$ 10³ N/C

Multiple Choice

A cylindrical wire of radius 1.0 cm has charge distributed throughout its volume with a uniform charge density of 10.0 $\mu$ C/m³. The electric field at a point 0.50 cm from the surface of the wire is

A) zero.
B) 3.8 $\times$ 10³ N/C.
C) 7.6 $\times$ 10³ N/C.
D) 11 $\times$ 10³ N/C.