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研究所、轉學考(插大)◆電磁學
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95年 - 95 淡江大學 轉學考 電磁學#56039
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題組內容
4. Electromagnetic waves.
(b) Find the speed of propagation of the waves and give some discussions.
其他申論題
(a) Find the magnetic field a distance x above the center of the circular loop.
#212596
(b) What is its magnetic dipole moment?
#212597
(c) What is the approximate magnetic field and vector potential at point (0, y, 0) for y >> R.
#212598
【已刪除】 (a) Derive electromagnetic wave equations for propagating in a linear homogeneous medium (permittivity e, permeability |i) where there is no free charge or free current.
#212599
【已刪除】(c) In the case of the monochromatic plane waves, prove that the waves are transverse and are mutually perpendicular.
#212601
【已刪除】1. The following values of stress and strain are extracted from a test data recorded daring a tension test in a mild steel specimen as shown in Table 1. The initial diameter of the material was 0.502 cm and the gage length was 8 cm. Draw the stress-strain curve and identify the proportional limit (5%), yield point(5%), ultimate strength(5%X and breaking stress for the material(5%).
#212602
(a) modulus of elasticity(5%),
#212603
(b) Poisson's ratio(5%),
#212604
(c) proportional limit(5%),
#212605
(d) modulus of rigidity(5%), and
#212606
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