Properties and interactions of magnets
Magnetism
interaction between magnets and electric charges
What is electromagnetism?
A large windmill - like wheel
What is a turbine?
Representation of how output voltage depends on input voltage, number of turns in primary & number of turns in secondary coils
What is Vout/Vin = N2/N1
The temperature water boils at in C
100 C
Exerts a force on other magnets and objects that are made of magnetic material
What is magnetic field?
The force between electric charges and magnets
Electric current that reverses the direction in a regular pattern
What is an alternating current?
Energy conversion happening when you listen to music
What is electrical energy converting to sound energy?
Number of bones in the human body
206
places on magnets that exert strongest force
What is magnetic poles?
A single wire carrying electric current that is wrapped in a cylinder - shaped coil
What is a solenoid?
Used to increase or decrease the voltage of an alternating current
What is a transformer?
Where the magnetic poles are the strongest
What is N and S poles?
Planet closest to the sun
Mercury
Groups of atoms with magnetic poles aligned
What is magnetic domain?
A temporary magnet created when there is a current in a wire
What is an electromagnet?
Uses electromagnetic induction to change mechanical energy into electrical energy
What is a generator?
The current from a battery
What is direct current?
A truel
What is a duel between three people?
Will repel each other if brought close together
What are like poles?
What is a galvanometer?
Making of a current by changing a magnetic field
What is electromagnetic induction?
The current from an electric outlet
What is an alternating current?
Iceland diverted roads to avoid disturbing communities of this creature
What are Elves?