2.5 ×10 6 N•m 2 /C 5.0 × 108N•m 2 /C 3.0 ×10 9 N•m 2 /C 1.5 ×10 7 N•m 2 /C zeroN

Question

2.5 ×106 N•m2/C 5.0 × 108N•m2/C 3.0 ×109 N•m2/C 1.5 ×107 N•m2/C zeroN•m2/C A cubical Gaussian surface is placed in a uniform electricfield as shown in the figure to the right. The length of each edgeof the cube is 1.0 m. The uniform electric field has a magnitude of5.0 10^8 N/C and passes through the left andright sides of the cube perpendicular to the surface. What is thetotal electric flux that passes through the cubical Gaussiansurface? a. 2.5 10^6 N.m^2/C b. 5.0 10^8N.m^2/C c. 3.0 10^9 N.m^2/C d. 1.5 10^7 N.m^2/C e. zeroN.m^2/C

Explanation / Answer

E) Since the electric field passes through perpendicular to thesurface, it is coming it at angle of 90 degrees with thenormal =EAcos     =(5*10^8N/C)*(1m*1m)*cos90     =0

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