Electricity
Magnetism
Electricity and Magnetism
Atoms
More Magnetism and Electricity
100
This is what creates electric force
Charged atoms(ions)
100
magnetism is caused by the ________ in an material all spinning together
electrons
100
when electrical charges flow in a current they create a
Magnetic field
100
these are made up of Protons, Neutrons and Electrons
Atoms
100
Who discovered that lightning is in fact electricity
Benjamin Franklin
200
what are the only two types of electric charge?
Positive, Negative
200
this is the area of affect around a magnet and is determined by the strength of the magnet
magnetic field
200
what creates an electromagnet
current flowing through a wire. especially when wrapped around a Farris material
200
this is what happens when there is an imbalance in the number of electrons and protons in an Atom
the atom has a charge or is positive or negative
200
this is the attractive or repulsive force between two poles
Magnetism
300
electricity that does not move through a current is called?
Static electricity
300
magnets always have a north and a south pole. never just one or the other. True or False
True
300
what happens to an electromagnet if you wrap a wire around the bar more times?
the strength increases
300
within an Atom this carries a positive charge
Proton
300
this is the attractive or repulsive force caused by ions
electricity
400
this is the area of affect of an electric charge
Electric Field
400
Repel
400
electromagnets are _________ magnets, in that that dont always have a magnetic field
temporary
400
Within an Atom this carries a negative charge
Electron
400
this is the force created by the combination of electrical and magnetic forces
electromagnetism
500
name two things that effect the strength of an electric field
the amount of charge
the distance between charged atoms, or conductors
500
attract
500
what are common at least three usages for electromagnets
Varies MR C judges answer
500
this is the name given to an atom with either a positive or negative charge
ion
500
This scientist is responsible for the discovery wires carrying an electrical current also have a magnetic field
Hans Christian Oerstead
600
this is the rate of flow of charged particles
Electric Current
600
Name something that can effect the strength of magnetic force
Distance,
Strength of the magnet (how uniformly the electrons are spinning)
the type of material the magnet is made from
600
What is the first right hand rule.
while the thumb points in the direction of the current, the fingers indicate the direction of the magnetic field?
600
positively charged and negatively charged atoms are _________to each other
Attracted
600
who is responsible for inventing alternating current electrical transmisison
Nikola Tesla