[问答题]
A cube of side l is a9 d5dhgljwn(q67b5bplaced in9k(hbvjj8snr sbq84 vxbf++8 a uniform field $ E\,=\,6.50\times10^{3 }\,N/C$ with edges parallel to the field lines.
(a) What is the net flux through the cube?
(b) What is the flux through each of its six faces?
