What is the danger if your hair suddenly stands up? 9 電磁 II What is the danger if your hair suddenly stands up?
本單元內容 9-1電位與電容器 9-2電流與電阻 9-3電路
9-1.1 電位能 Fe and Fg are mathematically identical Fe is a conservative force
9-1.2 電位 Ue depends on q, but Ve does not
9-1.2 等位面 Four Equipotential Surfaces
9-1.3 等位面3例 E.S. for a uniform field, a point charge, and an electric dipole
9-1.4 由電場算電位 The differential work done by F
Ex. 1 均勻電場 (a) Along path (a)
Ex. 1 均勻電場︰路徑(a)
Ex. 1 均勻電場︰路徑(b)
9-1.5 點電荷的電位
點電荷的電位
點電荷的電位圖
9-1.6 一組點電荷的電位 The principle of superposition
Ex.2 12 electrons on a circle on an arc
9-1.7 電雙極的電位
雙極矩 p = qd
Induced Dipole Moment
9-1.8 連續電荷分佈的電位
Line of Charge
計算
Charged Disk
計算
9-1.9 由電位算電場 The work done by the electric field
Ex.3 The charged disk
9-1.10一組點電荷的電位能 For charges q1 and q2 SP25-8 Three charges
Ex.4 An alpha particle and a gold nucleus
9-1.11 Potential of a charged isolated conductor 導體內部及表面為一等位面(equipotentail surface)
Discharge
Plots of E (r) and V(r)
敬請期待 電容器、電流與電阻