Find the net amount of charge contained in a cube on edge

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it is found experimentally that electric field in certain region of earth's atmosphere is downward. at an altitude of 300m the field is 58N per C and at altitude of 200m it is 110N per C. Find the net amount of charge contained in a cube 100m on edge located between 200m and 300m ,neglect the curvature of the earth.

Reference no: EM13277482

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