The charge given to any conductor resides on its outer surface, because
Easy
Download our app for free and get started
The electrostatic energy of a solid object (with specified shape and total charge) is minimum when that charge is spread over the surface. Like any other free dynamical system, the charge on a conductor will seek the configuration that minimizes its potential energy.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1Two condensers of capacities $1\,\mu F$ and $2\,\mu F$ are connected in series and the system is charged to $120\;volts$. Then the $P.D.$ on $1\,\mu F$ capacitor (in $volts$) will beView Solution
- 2An electric dipole moment $\vec p = (2.0\hat i + 3.0\hat j)$ $\mu C. $ $m$ is placed in a uniform electric field $\vec E = (3.0\hat i + 2.0\hat k)$ $×$$10^5$ $N$ $C^{-1}$.View Solution
- 3The charge $q$ is fired towards another charged particle $Q$ which is fixed, with a speed $v$. It approaches $Q$ upto a closest distance $r$ and then returns. If $q$ were given a speed $2 v$, the closest distance of approach would beView Solution
- 4Two spheres $A$ and $B$ of radius $a$ and $b$ respectively are at same electric potential. The ratio of the surface charge densities of $A$ and $B$ isView Solution
- 5A simple pendulum of length $L$ is placed between the plates of a parallel plate capacitor having electric field $E,$ as shown in figure. Its bob has mass $m$ and charge $q.$ the time period of the pendulum is given byView Solution
- 6If three capacitors each of capacity $1\,\mu F$ are connected in such a way that the resultant capacity is $1.5\,\mu F$, thenView Solution
- 7To obtain $3\,\mu F$ capacity from three capacitors of $2\,\mu F$ each, they will be arrangedView Solution
- 8A parallel plate capacitor is made by stacking $n$ equally spaced plates connected alternately. If the capacitance between any two plates is $C$ then the resultant capacitance isView Solution
- 9Three capacitors $C_1,\,C_2$ and $C_3$ are connected as shown in the figure to a battery of $V\,volt$. If the capacitor $C_3$ breaks down electrically the change in total charge on the combination of capacitors isView Solution
- 10The work done in placing a charge of $8 \times {10^{ - 18}}$ coulomb on a condenser of capacity $100\, micro-farad$ isView Solution