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WorksheetsElectricity and Magnetism Test
Total questions: 41
Worksheet time: 1hrs 7mins
Electric current is defined as
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
Electrons flows from
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
What are the two types of electricity?
Static and electrons
Current and voltage
Series and parallel
Static and current
In a circuit diagram, this symbol represents a
switch
multimeter
battery
globe
Which light globe(s) would never light up?
A
B,C,D
A,B,C,D
None
What type of circuit is this?
Series
Parallel
Simple
In a series circuit, how is the brightness of a light globe affected when another globe is connected?
It gets brighter
It stays the same
It gets dimmer
It goes out
The rate of electron flow in a circuit
Voltage
Resistance
Current
Unit is Ohms Ω
Current
Resistance
Voltage
Stays the same no matter where you measure it in series circuits
Current
Resistance
Voltage
A material that allows heat and electricity to pass through it.
electron
parallel circuit
conductor
insulator
A material that does not allow heat or electrons to move through it easily.
methods of generating power
closed circuits
conductor
insulator
A circuit that contains more than one path for current flow.
voltage circuit
series circuit
parallel circuit
electric current
The parts of an atom which move from one atom to the next to create a flow of electricity
current
electron
proton
neutron
_______ is when there is a buildup of charges (more of one type of charge) on an object.
static electric discharge
static electricity
current electricity
When someone's hair is charged by the person holding onto the Van de Graaf generator, you are observing ___.
friction
conduction
induction
The image shows the electric field lines around two charged particles. At which position would the electric force be greatest?
1
2
3
4
A north pole of the magnet is brought near a south pole
they will repel
they will attract
so? nothing will happen
A magnetic domain is
a cluster of aligned atoms
a singular aligned atom
a cluster of non-aligned atoms
In order to make an electromagnet, you need
a magnet, a nail, some wires
a battery, a nail, and a magnet
a battery, a coil of wire, and a nail
a loop of wire, contacts, and a battery
magnetic fields run from _________ pole to ___________ pole
North, South
South, North
They do not exist
if you break a bar magnet in half
the poles will seperate
You will have two complete magnets
it becomes unmagnetized
What is the device shown?
Electromagnet
Solenoid
Generator
Motor
How can i make my electromagnet stronger? (choose all that apply)
more loops
less loops
more voltage
use an aluminum core
a motor converts electrical current into
chemical energy
chemical force
mechanical force
mechanical life
what two forces are required for generators electric motors to work
chemical and thermal energy
magnetism and thermal energy
thermal and electric energy
electrical and magnetism
electric generators converts mechanical force into
mechanical energy
magmatism
electric current
electric energy
What type of transformer is A?
Step up
Step down
How are electromagnets different from permanent magnets?
magnets can be turned on/off
you can turn an electromagnet on/off
magnets are more powerful
magnets have a North and South pole
