Physics

Problem

A metal sphere of radius 0.10 m carries a net charge of +4.0 μC. What is the magnitude of the electric field at a point 0.30 m from the center of the sphere? a)

9.0 \times 10^{5}\,\text{N/C}

1.2 \times 10^{5}\,\text{N/C}

4.0 \times 10^{5}\,\text{N/C}

3.6 \times 10^{6}\,\text{N/C}

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