A non-conducting cube of side length 1m has a spherical cavity of radius 0.1m inside it. The system has a charge density of 2.5 C/m3. What is the total flux coming out of the surface of the cube?

A non-conducting cube of side length 1m has a spherical cavity of radi

1.	A non-conducting cube of side length 1m has a spherical cavity of radius 0.1m inside it. The system has a charge density of 2.5 C/m³. What is the total flux coming out of the surface of the cube?
A.	2.8*10<sup>31</sup> Nm<sup>2</sup>C<sup>-1</sup>
B.	2.8*10<sup>11</sup> Nm<sup>2</sup>C<sup>-1</sup>
C.	5.7*10<sup>11</sup> Nm<sup>2</sup>C<sup>-1</sup>
D.	0.2*10<sup>11</sup> Nm<sup>2</sup>C<sup>-1</sup>
Answer» C. 5.7*10<sup>11</sup> Nm<sup>2</sup>C<sup>-1</sup>