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110年 - 110 國立中央大學_碩士班招生考試_太空科學與工程學系：太空物理學#103812
> 申論題
1. Explain the generation mechanism of equatorial plasma fountain of the Farth's ionosphere. (10%)
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2. Describe the technique of Ionospheric electron density deriving by FORMOSAT-3/COSMICI (10%) and Ionosonde (10%), respectively.
#439099
3. Describe the features of the Hall (10%) and Pedersen (10%) conductivity with respect to the altitude throughout the ionosphere. Space Physics: Magnetosphere (50 points)
#439100
(a) explain the possible causes of South Atlantic Anomaly (8 points), and
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(b) discuss the spatial dependence of drift period for those particles with pitch angle of 60°(10 points).
#439102
(a) Where is the strong current? What's the direction of the current? Explain your answer by plotting the trajectories of charged particles. (8 points)
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(b) Explain the cquilibrium plasma sheet based on the given magnetic field structure under the MHD condition. (8 points)
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(c) Discuss your answer in (a) with the direction of cross tail current. (8 points)
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6.The solar wind density measured by a spacecraft changes from and the strength of interplanetary magnetic field changes from 25 nT to 8 nT on average. What kinds of such a structure can be? Explain your answer in detail. (8 points)
#439106
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110年 - 110 國立中央大學_碩士班招生考試_太空科學與工程學系：太空物理學#103812
110年 · #103812
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