A very large nonconducting plate lying in the xy -plane carries a charge per uni

Question

A very large nonconducting plate lying in thexy-plane carries a charge per unit area of9. A second such plate located at z =5.00 cm and oriented parallel to the xy-plane carriesa charge per unit area of -5. Find the electricfield for the following. (a) z < 0 (b) 0 < z < 5.00 cm (c) z > 5.00 cm A very large nonconducting plate lying in thexy-plane carries a charge per unit area of9. A second such plate located at z =5.00 cm and oriented parallel to the xy-plane carriesa charge per unit area of -5. Find the electricfield for the following. (a) z < 0 (b) 0 < z < 5.00 cm (c) z > 5.00 cm

Explanation / Answer

(a) z < 0
Ez = -9/(20) +5/(20) = -2/0 (b) 0 < z < 5.00 cm
Ez = 9/(20) +5/(20) =7/0
(c) z > 5.00 cm
Ez = 9/(20) -5/(20) =2/0

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