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ELECTRICAL FUNDAMENTALS
BASIC ELECTRICAL DEFINITIONS
28
Science
11th Grade
11/08/2016

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Term
FREQUENCY
Definition
NUMBER OF CYCLES PER SECOND
Term
CYCLE
Definition
ONE COMPLETE WAVE FORM OF A GIVEN CURRENT TYPE
Term
TRANSFORMER
Definition
A MECHANICAL DEVICE THAT RAISES OR LOWER ELECTRICAL VALUES
Term
RECTIFIER
Definition
A MECHANICAL DEVICE THAT CHANGES AC CURRENT TO DC CURRENT USING DIODES
Term
GENERATOR
Definition
A MECHNICAL DEVICE THAT PRODUCES ELECTRICITY
Term
ELECTRICITY
Definition
THE FLOW OF ELECTRONS IN A GIVEN DIRECTION
Term
ARC
Definition
THE FLOW OF ELECTRICITY ACROSS A GAP
Term
VOLT
Definition
THE UNIT OF ELECTRICAL FORCE
Term
AMP
Definition
THE UNIT OF ELECTRICAL INTENSITY
Term
OHM
Definition
THE UNIT OF ELECTRICAL RESISTANCE
Term
OHMS LAW
Definition
THE RELATIONSHIP OF VOLTS, AMPS, AND OHMS THAT DESCRIBES VOLTAGE DROP
Term
VOLTAGE DROP
Definition
THE LOSS OF ENERGY IN A CIRCUIT DUE TO RESISTANCE
Term
CIRCUIT
Definition
A PATH FOR ELECTRICITY TO FOLLOW
Term
OPEN CIRCUIT
Definition
A PATH FOR ELECTRICITY WITH POTENTIAL
Term
DEAD CIRCUIT
Definition
A PATH FOR ELECTRICITY WITHOUT POTENTIAL
Term
SHORT CIRCUIT
Definition
AN UNINTENDED PATHWAY FOR ELECTRICITY
Term
ARC FORCE
Definition
THE INTENSITY OF ELECTRICAL FLOW ACROSS A GAP
Term
DIODE
Definition
A ONE WAY ELECTRICAL VALVE
Term
PRIMARY CIRCUIT
Definition
THE INPUT SIDE OF A DEVICE
Term
SECONDARY CIRCUIT
Definition
OUTPUT SIDE OF A DEVICE
Term
HERTZ
Definition
FREQUENCY
Term
DUTY CYCLE
Definition
THE AMOUNT OF TIME A MACHINE MAY BE RUN AT RATED POWER EXPRESSED AS A PERCENTAGE OF 10 MINUTES
Term
SINE WAVE
Definition
A GRAPHIC REPRESENTATION OF AN ELECTRICAL CURRENT'S INTENSITY OVER A GIVEN TIME FRAME
Term
INVERTER
Definition
A DEVICE THAT ELEVATES THE CURRENT FREQENCY THEN RECTIFIES IT
Term
POLARITY
Definition
THE DIRECTION OF CURRENT FLOW IN A WELDING CIRCUIT
Term
DIRECTION OF ELECTRICAL FLOW
Definition
NEGATICE TO POSITIVE
Term
OPEN CIRCUIT VOLTAGE
Definition
AMOUNT OF VOLTAGE PRESENT (POTENTIAL) IN A CIRCUIT WHEN IT IS ENERGIZED BUT THERE IS NO WORK BEING DONE - NO FLOW
Term
CLOSED CICUIT VOLTAGE
Definition
THE AMOUNT OF VOLTAGE IN A CIRCUIT WHEN IT THERE IS FLOW - WORK BEING DONE
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