Two large, thin metal plates are parallel and close to each other. On their inner faces, the pla...

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Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude \( 17.0 \times 10^{-22} \mathrm{Cm}^{-2} \).
What is \( \mathbf{E} \) in the outer region of the first plate?
(a) \( 17 \times 10^{-22} \mathrm{~N} / \mathrm{C} \)
(b) \( 1.5 \times 10^{-15} \mathrm{~N} / \mathrm{C} \)
(c) \( 1.9 \times 10^{-10} \mathrm{~N} / \mathrm{C} \)
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