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研究所、轉學考(插大)◆電磁學
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91年 - 91 淡江大學 轉學考 電磁學#56129
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題組內容
1. A straight-line segment of length L, carries a uniform line charge density λ .
(b) What field would you expect for the case z » L. Why? (5%)
其他申論題
2. Briefly describe the main strategies for system conversion.
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3. What strategies can be used to overcome user resistance to systems development projects?
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4. Suppose you were a project manager，what would be the management challenges you might encounter? Name some and briefly describe them.
#213226
(a) Find the electric field a distance z above one end of the line as shown is Fig. 1. (10%)
#213227
(a) Find the surface charge density cr at Ry at a, and at b. (6%)
#213229
(b) Find the potential at the center, using infinity as the reference point. (10%)
#213230
(c) Now the outer surface is touched to a grounding wire. How do you answers to (a) and (b) change? (9%)
#213231
(a) What is the force on a point charge Q at (a, 0, 0) (Cartesian coordinates)? (6%)
#213232
(b) What is the force on Q at (0, 0, a)? (6%)
#213233
(c) How much work does it take to move Q from (a, 0，0) to (0，0, a)? (6%)
#213234
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