Physics

Problem

Two concentric spherical surfaces of radii

0.10\,\text{m}

and

0.12\,\text{m}

are found to be equipotential surfaces having potentials

120\,\text{V}

and

100\,\text{V}

respectively. Assuming the electric field is radial and nearly uniform in the region between the two surfaces, calculate the magnitude of the electric field in that region. a)

200\,\text{V m}^{-1}

1000\,\text{V m}^{-1}

500\,\text{V m}^{-1}

1200\,\text{V m}^{-1}

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