What magnet keeps it's magnetism?
A permanent magnet
When does the magnetic field arise?
When a charge is in motion.
Electromagnetism is the relationship between _______ and ________.
Electromagnetism is the relationship between magnetism and electricity.
What is an electromagnet?
An electromagnet is a magnet that runs on electricity.
Your thumb tells you which direction the ______ is going.
Your thumb tells you which direction the current is going.
Which magnet loses it's magnetism over time?
A temporary magnet
A magnetic field is a ______ _______ on moving electric charges,electric currents,and magnetic materials.
A magnetic field is a Magnetic influence on moving electric charges,electric currents,and magnetic materials.
Does electromagnetism help create magnetic fields?
yes electromagnetism helps create magnetic fields.
What is a solenoid?
solenoid is a coil wire used as an electromagnet.
Your fingers tells you which direction the ______ ______ is going.
Your fingers tells you which direction the magnetic field is going.
Magnetism can work over a _________.
Magnetism can work over a distance.
Why does Earth have a magnetic field?
The Earth's core is magnetic
what are some examples of electromagnetism in real life?
washing machines,electric fan,electric motors,and etc
What are some examples of electromagnets and solenoids?
some examples of electromagnets and solenoids are Speakers,microphones,car,electric bells, and headphones
what direction is the current going in the picture below?
The current is going to the right.
Is magnetism the ability to attract? true or false?
True magnetism is the ability to attract.
Where is a magnetic field the strongest?
When the field lines are closer together
magnetic fields
A solenoid becomes an electromagnet when a current flows through it.True or false
True
What direction is the magnetic field going? in the picture below
First the magnetic field is going towards you then away from you.
What is magnetism caused by?
Magnetism is caused by motion of electric charges.
Magnetic field lines go from ______ pole to _______ pole.
Magnetic field lines go from North pole to south pole.
Electromagnetism is produce by a current of _______.
Electromagnetism is produce by a current of electricity.
what does electromagnets and solenoids use to produce a magnetic field?
They use electric current and coiled wires to produce magnetic fields.
Traditional current flow goes from ______ to _______.
Traditional current flow goes from positive to negative.