12.Electric flux would be negative when
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Field lines directed into a closed surface are considered negative; those directed out of a closed surface are positive. If there is no net charge within a closed surface, every field line directed into the surface continues through the interior and is directed outward elsewhere on the surface.
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If more lines are leaving than entering the flux is positive and if more lines are entering than leaving the flux is negative. Net Electric Flux Through a Closed Surface Page 4 4 Recall: The number of electric field lines entering or leaving a charge is directly proportional to the magnitude of the charge.
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