Vocab 1
an object that attracts iron and other materials with magnetic qualities
What is a magnet?
place on a magnet where the force it exerts is the strongest
What is magnetic poles?
region in a magnetic material in which the magnetic fields of all the atoms all point in the same direction
What is a magnetic domain?
the condition of having an unbalanced amount of positive charge or negative charge
What is electrically charged?
a device that uses an electric current to produce motion
What is an electric motor?
force of attraction or repulsion created by a magnet
What is a magnetic force?
stored potential energy due to the interactions of magnetic poles in a magnet
What is magnetic potential energy?
invisible region around a charged object where an electric force is applied
What is electric field?
A particle with equal amounts of positive and negative charge
What is electrically neutral?
a device that uses a magnetic field to transform mechanical energy to electrical energy
What is an electric generator?
charging an object without touching it
What is induction?
transfer of charged particles between two conductors
What is conduction?
a circuit that is not complete and no energy flows
What is an open circuit?
electrical potential energy differences between two places on an electric circuit
What is voltage?
an electric current that continually flows in one direction
what is a direct current?
A material through which electrons cannot move through easily
What is an electric insulator?
circuit is complete and electric energy flows through the circuit
What is closed circuit?
What is a current?
a magnet created by wrapping a current - carrying wire around a magnetic core
What is an electromagnet?
an electric current that changes direction in a regular pattern
What is an alternating current?
Two objects will experience an electric force of attraction when they have ____.
If the distance between two charged objects increases, the electric force between them _____.
What is decreases?
the interaction between electric charges and magnets
What is electromagnetism?
How can a wire and a magnet create an electric current?
What is a magnet through a charged wire or a wire through magnetic field?
Describes both an electromagnet and a permanent magnet
What is has a north pole and a south pole?