Magnets Flashcards
Magnets stick to what?
Other magnets
What is a magnetic field?
The area around a magnet where the magnetic force exists
What depends on the shape of the magnetic field?
The shape of the magnet
When lines are closer together…
the field is stonger
What happens when you break a magnet?
You have more magnets
What causes the Earth to have a pole?
The Earth’s core moves
How is a magnetic field created?
By the motion of an electric charge
What is a magnetic domain?
A bunch of magnetic atoms that are aligned
How does a paperclip become magnetized?
The domains are lined up
What materials are domains naturally found?
Iron, nickel, and cobalt
Coiling the _____ makes the magnetic field _____.
wire, stronger
Adding ______ (iron) into the coils makes it even stronger
domains
What is a deflection?
A moving charged particle
What can be done to make a current-carrying wire stronger?
Increase the current and coil it
What is the true magnetic field around a current-carrying wire?
It is circular and perpendicular to the wire
