A) \[\text{E}{{\text{L}}^{\text{2}}}\]
B) \[\text{E}{{\text{L}}^{\text{2}}}\operatorname{co}\text{s}\,\]
C) \[\text{E}{{\text{L}}^{\text{2}}}\sin \,\]
D) 0
Correct Answer: D
Solution :
Flux of electric field \[\overset{\to }{\mathop{\mathbf{E}}}\,\] through any area \[\overset{\text{o}}{\mathop{\text{A}}}\,\] is defined as \[\phi =E\cdot A\cos \theta \]or\[\phi =\overset{\to }{\mathop{\mathbf{E}}}\,\cdot \overset{\to }{\mathop{\mathbf{A}}}\,=0\] the lines are parallel to the surface.
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