Magnets Flashcards
1
Q
What is the magnetic field like when the lines are closer together
A
Stronger
2
Q
Where is the electromagnet field strongest?
A
At the poles
3
Q
What is a permanent magnet
A
Produces its own magnetic field
4
Q
What is a induced magnet
A
Turn into magnet when they’re put into a magnetic field
5
Q
What is a magnetic field created by
A
A moving charge around the wire
6
Q
How do you make an electromagnet
A
Wrapping solenoid around iron core to increase magnetic field
7
Q
What is the motor effect
A
A force that is produced in a magnetic field
8
Q
Where does the force act in motor effect
A
90 degrees
9
Q
How do we increase the size of the force
A
Increasing the current and using a stronger magnet
