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general > Basic Electricity Vocab > Flashcards

Basic Electricity Vocab Flashcards

1
Q

AC

A

Alternating Circuit

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2
Q

DC

A

Direct Circuit

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3
Q

Ohm

A

The equivalent of one volt per one ampere

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4
Q

Watt

A

The unit of electrical power equal to one ampere under the pressure of one volt

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5
Q

Ammeter

A

Instrument for measuring either direct (DC) or alternating (AC) electric current, in amperes

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6
Q

Ampere

A

The unit used to measure electric current

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7
Q

Battery

A

A source of electric power consisting of one or more electrochemical cells

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8
Q

Capacitor

A

Device for storing electrical energy

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9
Q

Circuit

A

A complete path that electricity flows through consisting of a source, conductors, and a load

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10
Q

Conductor

A

A material that allows electricity to flow through it

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11
Q

Current

A

The flow of charged particles moving through a circuit

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11
Q

Farad

A

Unit of electrical capacitance

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12
Q

Insulator

A

A material in which electric current does not flow freely

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13
Q

Inverter

A

Converts the DC electricity from sources such as batteries or fuel cells to AC electricity

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13
Q

Lead-Acid

A

A rechargeable battery that uses lead and sulphuric acid to function

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14
Q

LED

A

Light-emitting diode

15
Q

Nickel-Cadmium

A

A type of rechargeable battery using nickel oxide hydroxide and metallic cadmium as electrodes

15
Q

Ohm

A

The equivalent of one volt per one ampere

16
Q

Ohmmeter

A

An instrument for measuring electrical resistance

17
Q

Parallel

A

A circuit with two or more paths for current to flow

18
Q

Resistance

A

A measure of the opposition to current flow in an electrical circuit

18
Q

Specific Gravity

A

A measure of the density of a substance in comparison to the density of water

18
Q

Series

A

A circuit with all loads in a row

19
Q

Transformer

A

A machine that transfers electricity from one circuit to another with changing voltage but no frequency change

19
Q

Voltage

A

The difference in charge between two points

20
Q

Voltmeter

A

An instrument that measures the voltage or potential difference between two points of an electronic or electrical circuit

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