WorksheetsElectromagnetism AL-COS 11&12
Total questions: 15
Worksheet time: 8mins
What is static electricity?
the accumulation of electric charges on the surface of an object
the movement of electric charges.
A closed, or complete, path in which an electric current travels
A force of attraction or repulsion between the poles of two magnets.
What is electric current?
the accumulation of electric charges on the surface of an object
the movement of electric charges.
A closed, or complete, path in which an electric current travels
A force of attraction or repulsion between the poles of two magnets.
An electric current generates ______
a magnetic field
an electric field
A magnetic and electric field
a gravitational field
If an object gains electrons its charge will be positive
True
False
Lightning is an example of an electric current or static electricity?
Electric Current
Static Electricity
Select the characteristics of magnetic field lines
They never cross
They go from South to North
The strength of each line is the same
They are most concentrated at the poles
Evidence that you made your electromagnet stronger would be...
If it picked up less paper clips
If it picked up more paper clips
If it didn't pick up paper clips at all
There is no way to make it stronger
In the Ohm's Law equation V = IR, what does the I stand for?
Voltage
Resistance
Increase
Current
Similar poles of a magnet will ____. And opposite poles will ____
attract, repel
attract, attract
repel, attract
repel, repel
The more coils around an electromagnet will _____ the magnetism.
decrease
increase
do nothing to
As you bring two north poles of a magnet closer together the force between them gets ______
stronger
weaker
disappears
nothing changes
Select all of the ways to increase current in a wire?
Decrease the voltage
Increase the voltage
Increase wire size
Decrease wire size
Increased current in a wire will generate....(select all that apply)
A stronger electric field
A stronger magnetic field
A stronger electromagnet
A weaker electromagnet
All circuits have one thing in common, what is it?
They all must be open loops
They generate sound
They transform electric energy into other forms of energy
They generate light
When you turn an electromagnet off what happens?
Current will continue. Magnetism will stop
Current will stop, magnetism will continue
Current will stop, magnetism will stop
Current will continue, magnetism will continue
