What is an Amp?
Hans Christian Oersted
Who discovered electromagnetism?
What is a microwave?
This part of the an electromagnet provides the charge
What is a battery?
Reversing the direction of the current does this
What is reverse the magnetic field?
What is a junkyard?
This part of the electromagnet is invisible but is what makes the electromagnet work
What is an electric charge?
Unlike Earth's magnetic field, you can turn a solenoid off by
What is removing or turning off the current?
What is a computer and a TV?
This part of the electromagnet is at the center of the solenoid
What is a ferromagnetic core?
A material that has little electrical resistance.
What is a conductor?
The two ends of the solenoid act like
What is a magnet?
An electromagnet controls the device used to alert you to visitors at your door
What is a doorbell?
This part of the electromagnet is invisible but it can be seen when around conductors
What is the magnetic field?
What is the electric current?
This technology uses large electromagnets, radio waves and computers to make pictures of the body
What is an MRI?
What is a solenoid?