Electricity and Magnetism
Electricity and Magnetism
Electricity and Magnetism
Electricity and Manetism
Electricity and Manetism
100
Where is the force of attraction strongest on a magnet
At the poles
100
Can all metals be attracted to a magnet?
No
100
T or F Glass is a good conductor of electricity.
False
100
Coach Tinsley is the GOAT, true or false?
True
100
The same magnetic poles do what?
Attract
200
This picture shows...
Repulsion (repel)
200
Electric charges that are alike do this...
Repel
200
Electric charges that are different do this...
Attract
200
True or False: An electromagnet is a permanent magnet.
What is False? An electromagnet can be turned on or off. Once the circuit is broken, the magnetism is lost
200
Electromagnets can be turned off and on.
Yes
300
A nail wrapped in copper attached to a battery
Electromagnet
300
True or False: Pure water is a conductor
What is False?
300
True or False: A refrigerator magnet is a permanent magnet.
What is True?
300
If a magnet is broken in half, what poles would each piece have.
North and South
300
If you rub a balloon on your hair _______________ move from your hair to the balloon.
Electrons
400
A circuit with two or more branches is a...
Parallel Circuit
400
A circuit with one branch is a...
Series Circuit
400
When two magnets repel they...
Push apart
400
When two magnets attract, they...
Pull together
400
What part of a circuit does electrical energy change from one form to another?
What is a load (lightbulb)? This is where the energy changes to produce heat or light.
500
If you rubbed two balloons on your hair what will happen if you put them close together?
They will push (repel) away from each other.
500
Walking across a carpet you get electrons all over your body by conduction, friction or induction.
friction
500
An electromagnet is made up of what three items?
What is an iron bar (nail), battery, and a wire?
500
Write down all 3 formulas of OHM's Law
V = IxR
I = V/R
R= V/I
500
The area around a magnet is known as the ____________ ______________.
Magnetic Field