(c)The connecting wires are of infinite conductivity and near-
zero thickness. Thus, there are no charges distributed on
their surface and no current component is needed to create
charge distribution on them. This makes it possible to
assign a unique current variable to an electrical device.
(d)The component of current needed to create the time-vary-
ing charge distribution on the surface of the device is neg-
ligible except in those devices (capacitors) that are
designed to make such current flow the dominant electri-
cal phenomenon in them.
(e)The induced electric field inside devices is negligible
except ...
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