Magnets Flashcards
What are examples of magnetic materials?
Iron, cobalt, and nickel.
What is a bar magnet?
A permanent magnet.
What does it mean if something is magnetic?
It means being able to be magnetised or attracted to a magnet.
What is a permanent magnet?
A magnet made from a magnetic material.
What are the two magnetic poles of a bar magnet?
north pole and south pole.
What is attraction?
When two or more things come together.
What is repulsion?
When two or more things are joined together.
What is a magnetic field?
Area surrounding a magnet that can exert a force on magnetic materials.
What is a non-contact force?
A force exerted between two objects, even when they are not touching.
What is a plotting compass?
A small magnetic compass used to detect magnetic fields.
What is a DC current?
A disc current.
What is the motor effect?
The effect where a force is exerted on a wire carrying a current in a magnetic field.
What’s a DC motor?
An electrical device that uses direct current to produce a turning effect.
