A 30-N/C Uniform Electric Field Points Perpendicularly Toward the Left

Multiple Choice

A 30-N/C uniform electric field points perpendicularly toward the left face of a large neutral conducting sheet. The area charge density on the left and right faces, respectively, are:

A) -2.7 * 10^-9 C/m²; +2.7 * 10^-9 C/m ²
B) +2.7 * 10^-9 C/m²; -2.7 *10^-9 C/m ²
C) -5.3 * 10^-9 C/m²; +5.3*10^-9 C/m ²
D) +5.3 * 10^-9 C/m²; -5.3*10^-9 C/m ²
E) 0; 0