Four closed surfaces, S1 through S4, together with the charges −2Q, Q, and −Q are sketched in the figure below. (The colored lines are the intersections of the surfaces with the page.) Find the electric flux through each surface. (Use the following as necessary: ?0 and Q.) Three charges are aligned vertically where the top charge is −2Q, the middle charge is +Q, and the bottom charge is −Q. Four loops of arbitrary shape are drawn, each enclosing a different set of charges. S1 is red and contains the top

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.