Basic Electrical Training
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28 Terms
What is electricity?
A form of energy caused by the movement of electrons.
What is required for electricity to function?
A complete loop/circuit.
Why does electricity matter?
Powers everyday life
Drives industries
Runs critical health systems
Provides essential needs for society
What are the three basic electrical concepts?
Voltage, Current, and Resistance
What is voltage?
The pressure that pushes electrons.
What is current?
The flow of electrons.
What is resistance?
The opposition/resistance of a material to the flow of electrons.
What does DC stand for?
Direct Current
How does DC electricity flow?
In a straight and steady flow.
Where is DC commonly used?
In battery-operated devices.
Where does DC power commonly come from?
Batteries
What is DC mostly used for in electronics?
Microchips, semiconductors, and control circuits.
What does AC stand for?
Alternating Current.
How does AC electricity flow?
It has a reversing and changing flow.
Which is generally considered more dangerous, AC or DC?
AC
What are some common uses of AC?
Transmission lines and heavy applications.
What produces AC electricity?
An AC generator.
Why is AC commonly used for power transmission?
It is easier to control and is suitable for transmission and heavy applications.
Where is single-phase electricity used?
Standard electricity commonly used in homes and businesses.
Where is three-phase electricity commonly used?
Electricity commonly used in industrial and commercial applications.
Which AC Electricity type is commonly used for home and domestic applications?
Single phase.
What type of Alternating Current is commonly used in industrial applications?
Three phase.
Name six common electrical hardware components.
Electrical wires
Circuit breaker
Electrical fuse
Convenience outlet
Electrical switch
Multimeter
What is used to protect an electrical circuit from excessive current?
A circuit breaker or fuse
What instrument is used to measure electrical parameters?
A multimeter.
If a device doesn't have a battery, what type of electricity does it use?
An AC system.
What type of electricity is mostly used in microchips and semiconductors?
DC electricity.
What type of electricity is commonly associated with control circuits?
DC electricity.