推 mikejdi:這次居然有四份 會不會太猛了...XD 218.168.240.56 04/11
推 chaogold:感謝 61.228.83.8 04/13
這是 24.Apr.2004的考題 連載最後一份了~~~(真感傷XD)
考題來源: Steggie (大家謝謝她吧^^)
然後按照之前她打考古題的慣例...我打的時候把沒出現過的題目標黃色
1. Please write down the (four) Maxwell's equations (6%)
and give a brief interpretation for each one. (4%)
2. Please give the definitions of electric and magnetic dipole ρ and μ. (5%)
What is their torque and potential energy in electric and magnetic
field. (5%)
3. Please give two simple methods to distinguish the electric field of a
monopole charge from that of an electric pole. (10%)
(雖然是標黃色 但是之前已經出現過一模一樣 只有敘述不同的題目)
4. The figure shows a length of wire with a central semicircular arc,
placed in a uniform magnetic field B that points out of the plane
of the figure. If the wire carries a current i, what resultant
magnetic force F acts on it? (5%)
(圖: 先是一段長L的線段 然後 接上一個半徑R的半圓 再接上 一段長L的線段)
5. Please derive the orbital magnetic dipole moment μarb of an electron in
an atom with its orbital angular moment Larb (5%)
(μarb, Larb: arb是下標)
6. Please derive the number density n of charge carriers with charge e in
conducting strip of thickness L carrying a current I placed in a magnetic
field B, creating a potential difference V across the strip.
(Hall Effect) (10%)
7. Please give four types of magnetism, and explain their origins
conceptually (hint: using Pauli principle; Couloumb interaction) (15%)
8. Please verify that the displacement current Id between two parallel
of a capacitor is equal to the physical charging current I. (10%)
Please prove that Id can be written as C(dV/dt), where V is the potential
difference between the plates, and C is the capacitance. (5%)
(Id: d是下標)
9. Please describe and explain the three different conduction behavior in
conductor, insulator, and semiconductor by using the concept of the energy
band. (9%) How is the temperature dependence of the conductivity for
each type? (6% ) Why? (5%)
10. Good luck!!! (Total 100%)
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歡迎轉錄^^
連載到此結束~~~
祝大家都期中考大順利:P
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