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Vocabulary
Magnets and Magnetism
Magnetism from Electricity
Electricity from Magnetism
Random Questions
100
Anything that attracts iron or things made of iron
What is a Magnet?
100
The metal that all magnets are classified to attract to
What is Iron?
100
This device measures current or voltage
What is galvanometer?
100
The scientist that discovered electrical induction..
Who is Faraday?
100
Two devices that strengthen magnetic fields.
What are Solenoids and Electromagnets?
200
The force of attraction or repulsion generated by moving or spinning electric charges
What is Magnetic Force?
200
All magnets have _____ numbers of poles
What is 2?
200
The material that a solenoid is wrapped around in an electromagnet
What is Iron?
200
The type of current used in electric generators.
What is Alternating Current
200
Two ways to increase the current induced by electromagnetic induction.
What is 1.) Moving the magnet faster. 2.) Adding more loops in the coil.
300
A coil of wire with an electric current in it
What is a Solenoid?
300
Groups of atoms in tiny areas in iron, nickel, and cobalt
What are domains?
300
In an electric motor, this is the wire or coil that can rotate
What is an Armature?
300
A device that is composed of two coils of wire wrapped around an iron ring. That either decrease or increase voltage.
What is a transformer.
300
Two ways to make an electromagnet stronger.
What is 1.) Increasing the number of loops in the solenoid. 2.) Increase the electric current in the wire.
400
The process of creating a current in a circuit by a changing a magnetic field
What is Electromagnetic Induction?
400
The characteristic an object depends on to determine whether its magnetic or not
What are its atoms?
400
The direction of the magnetic field depends on
What is the Direction of the Current?
400
A transformer that increases current and decreases voltage.
What is a step-down transformer.
400
The device attached to the armature in an electric motor to reverse the current in the wire.
What is a commutator
500
A tool that increases or decreases the voltage of alternating current
What is a Transformer?
500
The name of the magnetic light show in the south pole
What is aurora australis?
500
The 1st physicist who discovered how electricity and magnetism were related
Who is Hans Christian Oersted?
500
The number of times energy is usually transformed before reaching your home.
What is 3
500
The American scientist that also discovered electromagnetic induction but did not publish his findings as quickly and as detailed at Farady.
Who is Joseph Henry?