Magnetism 1
temporary
when like poles of two magnets push away from each other
What is repell?
The farther apart two electric charges are, the _______ the electric force.
less
In terms of electrons, how does an object become positively charged.
loses electrons
Two ways to make an electromagnet stronger.
add more coils and more voltage
two factors that affect the strength of the magnetic force.
distance and amount of charge
Magnetic field lines __________ the south pole of a magnet.
enter
Electric field lines ___ negative charges.
enter
The transferring of electrons
static electricity
the two poles of a magnet
north and south
a group of atoms that have their magnetic fields pointing in the same direction
What is a magnetic domain?
These are the only subatomic particle that can move
electron
Magnetic field lines ___________ the north pole
exit
The tree ferromagnetic materials
cobalt, iron, nickel
Electric field lines ___ positive charges
exit
opposite charges attract because
field lines exit positive and enter into negative