a substance, body or device that readily conducts heat, electricity, sound, etc.
lines of force making up an electric field
electric potential difference
noun
variation between final and initial spots in electric field when work done changes potential energy
electrical potential energy
noun
stored energy linked to Coulomb forces within a defined system of point charges
when the number of electrons or protons isn't equal in an atom
device for detecting the presence and determining the sign of electric charges
branch of physics dealing with electric phenomena not associated with electricity in motion
trace lines of electric potential
equipotential surfaces
noun
surface on which electric potential has constant value
imaginary line indicating direction of field of force at various points in space
says electric flux of closed surface in electric field equals 4n times electric charge in surface
surface type used when there's an infinite long line or plane of uniform charge
closed surface in space through which flow of electromagnetic field is calculated
infinite sheet of charge
noun
composed of infinite number of rings and used to find electric field
material of such low conductivity that the flow of current through it is negligible
imaginary line in force field indicating the orientation of the field at that point
atom having a surplus of electrons
permittivity of free space
noun
physical constant of ratio of displacement field and electric field in a vacuum
electric charge considered to exist at a single point with neither area nor volume
atom having a deficiency of electrons
field with the same value at every point