Question
Physics Question on Gauss Law
A cubical Gaussian surface has side of length a = 10 cm. Electric field lines are parallel to x-axis as shown. The magnitudes of electric fields through surfaces ABCD and EFGH are 6kNC-1 and 9kNC-1 respectively. Then the total charge enclosed by the cube is
[Take ε0 = 9 × 10-12 Fm-1]
A
1.35 nC
B
-1.35 nC
C
0.27 nC
D
-0.27 nC
Answer
0.27 nC
Explanation
Solution
The correct answer is (C) : 0.27 nC.