generators and motors, relays, industrial uses, and transportation.
100
What is the definition of electromagnetism
the force that causes the interaction between electrically charged particles.
200
What scientific principle is generators and motors example of?
electromagnetic induction
200
What is the right hand rule?
current creates a magnetic field and direction of current impacts direction of magnetic field (and vice versa). Put your thumb in the direction of the current then curl your other fingers around this will tell the magnetic field.
300
What part of relays does electromagnets control?
switches
300
In Europe and Asia what do they use electromagnets for?
to levitate the trains to move at fast speeds.
400
Name the three metals that respond to a magnetic field?
Iron, nickel, and cobalt.
400
What are relays important to?
Telephone call and computer.
500
What is an Electromagnet?
a type of magnet in which the magnetic field is produced by the flow of electric current.