靜電場的電場強度與電位分佈計算

📝 歷屆考古題

• 115年 hce_nchu 第16題
  A charged raindrop carrying $10\text{ \mu C}$ experiences an electric force of $0.3\text{ N}$ in the…
  查看 AI 詳解 →
• 115年 hce_nchu 第18題
  A polar molecule may be modeled approximately as a positive charge $q$ at $x = a$ and a negative cha…
  查看 AI 詳解 →
• 115年 hce_nchu 第19題
  In the figure, $q_1, q_2$, and $q_3$ are charges on a two-dimensional plane. We take $q_1 = +\frac{7}{6}Q$…
  查看 AI 詳解 →
• 115年 hce_nchu 第24題
  The figure shows a cube of side $s$ in a uniform electric field $\vec{E}$. What’s the flux through t…
  查看 AI 詳解 →
• 115年 hce_nchu 第36題
  A solid spher of radius $R$ carries a uniform volume charge density $\rho$. A hole of radius $R/2$ o…
  查看 AI 詳解 →
• 115年 hce_nchu 第50題
  An electric diple consists of point charges $\pm q$ a distance $2a$ apart. The potential at an arbit…
  查看 AI 詳解 →
• 114年 hce_nchu 第26題
  A 16-nC charge is distributed uniformly along the $x$ axis from $x = 0$ to $x = 4 \text{ m}$. Which…
  查看 AI 詳解 →
• 114年 hce_nchu 第27題
  Charges $q$ and $Q$ are placed on the $x$ axis at $x = 0$ and $x = 2.0 \text{ m}$, respectively. If…
  查看 AI 詳解 →
• 114年 hce_nchu 第28題
  For the potential $V = 3x^2z - 2yz^3$, what is the corresponding electric field at the point $(2,2,2)$…
  查看 AI 詳解 →
• 113年 hce_nchu 第26題
  A charge per unit length given by $\lambda(x) = bx$, where $b = 12 \text{ nC/m}^2$, is distributed a…
  查看 AI 詳解 →
• 113年 hce_nchu 第35題
  Two flat $4.0 \text{cm} \times 4.0 \text{cm}$ electrodes carrying equal but opposite charges are spa…
  查看 AI 詳解 →
• 113年 hce_nchu 第37題
  A solid nonconducting sphere of radius $R$ carries a uniform charge density throughout its volume. A…
  查看 AI 詳解 →
• 113年 hce_nchu 第38題
  Which of the following expressions is a static electric field
  查看 AI 詳解 →
• 113年 hce_nchu 第41題
  As shown in the figure, point charges $q$ and $Q$ are positioned as shown. If $q = +2.0 \text{ nC}$,…
  查看 AI 詳解 →
• 113年 hce_nchu 第43題
  Charge of uniform density ($20 \text{ nC/m}^2$) is distributed over a cylindrical surface (radius =…
  查看 AI 詳解 →
• 112年 hce_nchu 第32題
  The $xy$ plane is "painted" with a uniform surface charge density equal to $40 \text{ nC/m}^2$. Cons…
  查看 AI 詳解 →
• 112年 hce_nchu 第33題
  A charged conductor has the oval shape shown below. When we compare the potential at points A and B,…
  查看 AI 詳解 →
• 112年 hce_nchu 第34題
  Three charges, the outer two $+q$, and the inner one $-q$, are placed in a line, as shown below. The…
  查看 AI 詳解 →
• 112年 hce_nchu 第37題
  Charge Q is spread uniformly along the circumference of a circle of radius R. A point particle with…
  查看 AI 詳解 →
• 112年 hce_nchu 第38題
  A solid insulating sphere of radius R contains positive charge that is distributed with a volume cha…
  查看 AI 詳解 →
• 112年 hce_nchu 第39題
  If the electric field is in the positive x direction and has a magnitude given by $\text{E} = \text{C}x^2$…
  查看 AI 詳解 →
• 112年 hce_nchu 第40題
  Points R and T are each a distance d from each of two particles with equal positive charges as shown…
  查看 AI 詳解 →
• 111年 hce_nchu 第31題
  A solid nonconducting sphere of radius $R$ carries a charge $Q$ distributed uniformly throughout its…
  查看 AI 詳解 →
• 111年 hce_nchu 第33題
  A charge per unit length given by $\lambda(x) = bx$, where $b = 12\text{ nC/m}^2$, is distributed al…
  查看 AI 詳解 →
• 111年 hce_nchu 第34題
  A $16\text{-nC}$ charge is distributed uniformly along the x axis from $x = 0$ to $x = 4\text{ m}$.…
  查看 AI 詳解 →
• 111年 hce_nchu 第35題
  The electric field in the region of space shown is given by $\vec{E} = (8\hat{i} + 2\hat{j})\text{ N/C}$…
  查看 AI 詳解 →
• 111年 hce_nchu 第36題
  A charge per unit length given by $\lambda(x) = bx$, where $b = 12\text{ nC/m}^2$, is distributed al…
  查看 AI 詳解 →
• 111年 hce_nchu 第37題
  When a cube is inscribed in a sphere of radius $r$, the length $L$ of a side of the cube is $L = \sqrt{\frac{4}{3}} r$…
  查看 AI 詳解 →
• 111年 hce_nchu 第38題
  For the potential $V = 3x^2z - 2yz^3$, what is the corresponding electric field at the point (2,2,2)…
  查看 AI 詳解 →
• 111年 hce_nchu 第46題
  A conducting sphere of radius $R$ carries an excess positive charge and is very far from any other c…
  查看 AI 詳解 →

• 111年 hce_nchu 第47題
  A conducting sphere is charged up such that the potential on its surface is $100\text{ V}$ (relative…
  查看 AI 詳解 →
• 111年 hce_nchu 第48題
  Point charges $q$ and $Q$ are positioned as shown. If $q = +2.0\text{ nC}$, $Q = -2.0\text{ nC}$, $a = 3.0\text{ m}$…
  查看 AI 詳解 →