Intercrossing.
Crossing a pair of conductors of a metallic circuit from side to side to
avoid induction from outside sources.
Intermittent.
Acting at intervals, as an intermittent contact, earth, or grounding of
a telegraph wire.
Interpolar Conductor.
A conductor connecting the two poles of a battery or current generator;
the external circuit in a galvanic circuit.
Interpolation.
A process used in getting a closer approximation to the truth from two
varying observations, as of a galvanometer. The process varies for
different cases, but amounts to determining an average or deducing a
proportional reading from the discrepant observed ones.
Interrupter.
A circuit breaker. It may be operated by hand or be automatic. (See
Circuit Breaker--Circuit Breaker, Automatic--and others.)
Interrupter, Electro-magnetic, for a Tuning Fork.
An apparatus for interrupting a current which passes through an
electromagnet near and facing one of the limbs of a tuning fork. The
circuit is made and broken by the vibrations of another tuning fork
through which the current passes. The second one is thus made to
vibrate, although it may be very far off and may not be in exact unison
with the first. The first tuning fork has a contact point on one of its
limbs, to close the circuit; it may be one which dips into a mercury
cup.
Intrapolar Region.
A term in medical electricity, denoting the part of a nerve through
which a current is passing.
Ions.
The products of decomposition produced in any given electrolysis are
termed ions, the one which appears at the anode or negative electrode is
the anion. The electrode connected to the carbon or copper plate of a
wet battery is an anode. Thus in the electrolysis of water oxygen is the
anion and hydrogen is termed the kation. In this case both anion and
kation are elements. In the decomposition of copper sulphate the anion
is properly speaking sulphion (S O4), a radical, and the kation is
copper, an element. Electro-negative elements or radicals are anions,
such as oxygen, sulphion, etc., while electro-positive ones are kations,
such as potassium. Again one substance may be an anion referred to one
below it and a kation referred to one above it, in the electro-chemical
series, q. v. Anion means the ion which goes to the anode or positive
electrode; kation, the ion which goes to the kathode or negative
electrode.
[Transcriber's note: An ion is an atom or molecule that has lost or
gained one or more valence electrons, giving it a positive or negative
electrical charge. A negatively charged ion, with more electrons than
protons in its nuclei, is an anion. A positively charged ion, with fewer
electrons than protons, is a cation. The electron was discovered five
years after this publication.]