Electricty Flashcards
What charge does an electron carry?
Negative
What charge does a proton carry?
Positive
What charge do neutrons carry?
None, they are neutral
Atoms are….?
Neutral
What do like charges do?
Repel eachother
What do opposite charges do?
Attract eachother
What is a conductor?
Materials that allow charge to move through them
What are insulators?
Materials that don’t allow charge to move through them
What is an electric current?
When charge moves
What is current measured in?
Amps (A)
How is current measured?
Using an ammeter
How just an ammeter be connected?
In series
What is resistance measured in?
Ohms
What type of resistance do conductors have?
Low resistance
What kind of resistance do insulators have?
High resistance
The longer the wire is, what happens to the resistance?
The higher the resistance gets
The thicker a wire gets, what happens?
The smaller the resistance gets
Name all the types of energy?
Potential, kinetic, heat, sound, chemical, nuclear, electrical, light
What is power?
Power is how quickly energy changes from one form to another
What is power measured in?
Watts (W)
What is 1W equal to?
1 joule per second
What does E = Pt mean?
Energy, power, time
How many poles do magnets have?
2, north and south
