Magnetism
Electromagnetism
Solenoids
Energy
100
Every magnet has these.
What are poles?
100
This is what the "S" on a bar magnet stands for.
What is South?
100
What is a Solenoid
A cylindrical coil of live wire
100
These are the Units used for Energy
What is Joules?
200
The same poles on magnets do this.
What is repel?
200
These are small regions in a material that act as their own tiny magnets
What is a Domain?
200
What is the left hand rule for solenoids?
Curling the fingers shows electron flow, thumb points towards the north pole of the magnetic field
200
This is represented by R in our equation : $=PtR
what is Rate?
300
This is the reason magnets stay on a refrigerator.
What is the material of the fridge is Ferromagnetic?
300
This is the type of magnet you produce when you attach a piece of iron to a magnet and then hang something from that piece of iron.
What is a ferromagnetic object?
300
Which way is north on the magnetic field?
->
300
The kind of energy transported by Radio waves
What is Radiation energy?
400
Which way does a Compass point?
Towards the South magnetic pole
400
Iron shavings placed around two magnets can show this.
What is the magnetic field?
400
Solenoid A has 4 loops and Solenoid B has 9 loops. Which solenoid is stronger?
Solenoid B
400
How much does it cost to run a 100W lightbulb for 12 hours with a rate of $0.0516KW/h
6 cents
500
The Earth has one of these.
What is magnetic field?
500
Jacob found out that he could attract two magnets through a piece of cardboard, but not a thick block of wood. This is the reason why.
What is the block of wood was too thick for the magnetic force?
500
What are the 3 factors that affect solenoid strength?
Current intensity, Loops, Core material
500
What is the power of a lightbulb that draws 0.5 A from a 120v outlet?
60 Watt bulb