Vocab
Something that does not allow the flow of electricity is
An insulator
If an object loses electrons its charge will be
What is Positive?
What kind of field does static electricity produce?
What is an Electric field?
Opposite poles will ______.
What is attract
1. Ferromagnetic Core
2. Copper Wire
3. Power Source
The movement of electrically charged particles
Electric Current
If an Object gains electrons its charge will be _____
What is Negative?
What happens to the current when the circuit is open?
The current will not flow.
Can a permanent Magnet's magnetism be turned off or controlled?
No
What generates the magnetic field of an electromagnet?
What is the electrical current.
A material that allows the flow of electricity
Conductor
How do objects become charged
What is transferring electrons?
The electric force _____ when two charged objects get farther away from each other.
What is weakens?
What happens to the magnetic force as you bring magnets closer together?
The force gets stronger
What happens to the magnetism if the current in the electromagnet increases?
The magnetism will increase
The accumulation of charged particles on a surface
What is static electricity
Do objects have to touch to BECOME charged
Yes, friction must occur
What kind of field does an electric current generate?
What is an electric and magnetic field
Where on the magnet is the magnetism the strongest?
What is at the poles?
Give an example of an electromagnet
Give an example of a conductor and an insulator (label Please)
Conductor: Any Metal and Water
Insulator: Glass, Rubber, Wood, Plastic
If a charged particle has a force coming out then its charge is _____. If the force is going in then the charge is _______
Positive, Negative
True or False
It is possible to have an electric field and a magnetic field at the same time.
True, this is what electromagnets have.
An electromagnetic field with electromagnetic force.
Draw Magnetic field lines around a bar magnet. Be sure to Label the Poles
Vectors move out of the north and into the south
What are ways to increase the strength of the electromagnet?
1. Increase coils of wire
2. Use a different core (Neodymium or Iron)
3. Increase voltage
4. Increase wire size