Daily Kennebec journal. [microfilm reel] (Augusta, Me.) 1870-1975, 1890-01-09
ELECTRICAL. TERMS

I 0se9cds-A pohs q . oat19y
Re~~-rhe r.se Of doing wrk
! Roae-The terminal VI gsnerator-
Candida unit Of illuminating powsr.
Anode-T The positive pole OF = battery.
I Farsi-rh~ uui, Of electrical capacity.
Armalure-Tbe revolving arm Of an sase
| t,r generator
Circuit-rhe path along which an electric
| current travek
Cell-The vessel in which chemical action
produces electricity
Electro motive Forc>--Tbe power that CON
| ssitutes or moves electricity
| Posi,ive-The point Of . generator where
the positive current leaves it,
R-s,stance-rae opposition that current
| meets in travers,ng . conductor.
| Dynamo Machine for converting mechan-
icai power into electrical energy
| Coulorub- The unit Of dynamic quantity
represented by one ampere Of current
wa.t-The units of electrical power repro
ssnts,i by one volt multiplied by one AmpsrN
Commutator-The collector Of the cleo
tricity generated, and from which the huid Is
taken BY the brushes
| Coneienser-An arrangement for collecting
| a large quantity Of electricity on a small sur
face,
Conductivity-The comparative ability OF
q substance to convey current Of electricity
Potential Applicable eiectromotive force
corresponding to pressure or head in hydrau
| lies
~ he ala ems.
rent. silver being the bsst and copper next,
in ccnductlvity
Core-The iron that becomes mAgnetized in
All electromagnetic In helix. this iron Is Of
the s,ftest kind
Velt-The unit Of electro motive force. One
volt will force one ampere of current through
one ohm of resistance
GaIvauometer--An instrument for meas
uring an electric current and for detecting
the presence Of electricity.
Brush-The copper string which connects
with the commutator of a dynamo and gath
ers the electricity for the conductors
Jule-The union of heat and work which is
expended in forcing one coulomb through
one ohm Ii equals 1878 foot pound.
Magnet--A magnetized piece Of iron or
steel. capable of attraciin', iron or steel bod
les, and of inducing electric currents
Arc-The space between the points of the
CARTONS in an electric light or lamp which is
bridged by the current represented by the
flame.
Ohm-The unit Of resistance represented
by the resistance through which one ampere
of current will flow at "A pressure of one volt
| elsctro-inotive force
Horse Power Electrical-A unit OF power
eQualing 146 watts of electrical energy. A
current OF one ampere and 746 volts is an
electrical horse power
Current-The 6ow Of electricity along
conductor. Its strength in amperes is found
by dividing the electro motive force in volts
by the resistance in ohms.
Polaritv-A magnet suspended 70 that it,
movements, unrestricted in any direction,
will turn one point TO the north, the other to
the south Hence the North and South poles
Of the magnet
Negative-The terminal Of a generator.
where the positive current returns after
tray ersing its circuit. Negative electricity is
an amount less than the substance. would ma.
turally contain
Carbops-Rols Of carbon are used in arc
lights for first establishing tho current. and
then, when withdrawn, form the arc over
which the electric fame leaps They are
made of powdered coke by n secret process.
| Accumulator-Storage Of secondary bat
terry, in which electricity has ben carried
and has been converted into chemical energy,
being retrau,forned into electricity when
the battery Is put to use for the purpose Of
furnishing energy or light.
Electro Maguet-The soft iron core around
| which insulated wire is wound 1t becomes
| highly magnetizcd when the current is sent
| through the coil. and is much more powerful
than u permanent magnet, but its magnetism
| Is lost when the current is broken.
Ampere-The unit of the strength Of tho
current per second 1t represents, perhaps,
the volume Of electricity. and its value is the
quantity of the fluid which flows per second
through ohm Of resistance when impeled
| by one volt Of electro motive force
| Insulators Substances possessing high re-
sistAuce, such Us glass, vulcanized rubber,
parafiine, etc When covering u wire along
which electric current is passing it pre-
vents loss Of power by conducton, and makes
the wires heavily charged safer for handling
| lnduciion-The property by which one
body having electrical, galvauic or magnetic
polarity CAUSES II or induces it in another
body without having actual contact. In
other wor,s, an Impress Of molecular force
or conditions from one body on another with
| out d. contact. An electric current In .
wire IL. lr.s currents IN conductors parallel
| to it,. ,s.'li Transcript.