1.5 IDEAL INDEPENDENT TWO-TERMINAL ELECTRICAL SOURCES
Electrical sources are devices that are capable of applying a non-electrostatic force on a charge that moves through the source region. They can deliver energy to the charged particle or absorb energy from it.
1.5.1 Ideal Independent Voltage Source
A two-terminal voltage source will have a non-electrostatic field at every point inside the source region. The charge distribution on the terminal surfaces of the source will create an electrostatic field at all points inside the source. The two fields cancel each other at all points at all instants under all conditions if the material inside the source is of infinite conductivity. The terminal voltage (which is an electrostatic potential difference) ...
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