Energy in The Electric Field
The electrostatic field stores energy. The energy density u (energy per unit volume) is given by
where ε is the permittivity of the medium in which the field exists, and E is the electric field vector.
The total energy U stored in the electric field in a given volume V is therefore
Read more about this topic: Electric Field
Famous quotes containing the words energy, electric and/or field:
“The scholar may be sure that he writes the tougher truth for the calluses on his palms. They give firmness to the sentence. Indeed, the mind never makes a great and successful effort, without a corresponding energy of the body.”
—Henry David Thoreau (1817–1862)
“Remember dancing in
those electric shoes?
Remember?
Remember music
and beware.”
—Anne Sexton (1928–1974)
“the whole field is a
white desire, empty, a single stem;
a cluster, flower by flower,
a pious wish to whiteness gone over—
or nothing.”
—William Carlos Williams (1883–1963)