A closed surface contains two equal and opposite charges. What will be the net electric flux from the surface? Plz explain the answer
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(a) If the electric flux through a closed surface is zero, is the electric field necessarily zero at all points on the surface? (b) What is the net charge inside the surface?
What is the net electric flux through a closed surface? 1. Zero if the net charge enclosed by the surface is zero 2. Infinite only if there are no charges enclosed by the surface 3. Infinite only if the net charge enclosed by the surface is zero 4. Zero if only negative charges are enclosed by the surface 5. Zero if only positive charges are enclosed by the surface
Khoobchandra A.
A closed surface with dimensions $a=b=0.400 \mathrm{m}$ and $c=0.600 \mathrm{m}$ is located as in Figure $\mathrm{P} 24.66$ . The left edge of the closed surface is located at position $x=a$ . The electric field throughout the region is nonuniform and given by $\mathbf{E}=\left(3.0+2.0 x^{2}\right) \hat{\mathbf{i}} \mathrm{N} / \mathrm{C},$ where $x$ is in meters. Calculate the net electric flux leaving the closed surface. What net charge is enclosed by the surface?
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