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A positively charged particle is held at the center of a spherical shell. The figure gives the magnitude E of the electric field versus radial
distance r. The scale of the vertical axis is set by Es = 8.0 × 10' N/C. Approximately, what is the net charge on the shell?
Assume r = 3 cm.
ers
E,
2r,
3r,
4r,
5r,
r (cm)
Number
i
Units

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