DIELECTRICS AND POLARISATION

Dielectrics are non-conducting substances. In contrast to conductors, they have… Read more DIELECTRICS AND POLARISATION

ELECTROSTATICS OF CONDUCTORS

Conductors contain mobile charge carriers. In metallic conductors, these charge… Read more ELECTROSTATICS OF CONDUCTORS

Potential Differences in a Uniform Electric Field

When a test charge $q_0$ is placed in an electric field $\mathbf{E}$ created by… Read more Potential Differences in a Uniform Electric Field

POTENTIAL DUE TO A SYSTEM OF CHARGES

Consider a system of charges $q_1$, $q_2$,..., $q_n$ with position vectors $\ma… Read more POTENTIAL DUE TO A SYSTEM OF CHARGES

ELECTRIC POTENTIAL

In the previous section, we looked at the potential energy $U$ associated with … Read more ELECTRIC POTENTIAL

Potential Energy of A Dipole In An External Field

Consider a dipole with charges $q_1 = +q$ and $q_2= –q$ placed in a uniform ele… Read more Potential Energy of A Dipole In An External Field

Potential Energy of A Single Charge

In Section 2.7, the source of the electric field was specified – the charges an… Read more Potential Energy of A Single Charge

Electric Potential Energy with Several Point Charges

Suppose the electric field $\mathbf{E}$ in which charge $q_0$, moves is caused … Read more Electric Potential Energy with Several Point Charges

Electric Potential Energy of Two Point Charges

The idea of electric potential energy isn’t restricted to the special case of a… Read more Electric Potential Energy of Two Point Charges

Electric Potential Energy in a Uniform Field

Let’s look at an electrical example of these basic concepts. In Fig. 1 a pair o… Read more Electric Potential Energy in a Uniform Field