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電磁気の問題！必要な解法と答えを教えてください！
このQ&Aのポイント
- A long coaxial cable carries a uniform volume charge density on the inner cylinder (radius a), and uniform surface charge density on the outer cylindrical shell (radius b). The surface charge is negative and of just the right magnitude so that the cable as a whole is electrically neutral.
- Find the electric field in each of the three regions: (1) inside the inner cylinder (s<a) (2) between cylinders (a<s<b) (3) outside the cable (s>b).
- Please provide the solution and answer if possible.
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