WorksheetsCircuit review at a 2.5 level
Total questions: 37
Worksheet time: 20mins
Which of the following materials is an electrical conductor?
Plastic spoon
Silver-colored plastic spoon
copper spoon
wooden spoon
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
What is a circuit that only has ONE path for electricity to flow?
series circuit
closed circuit
parallel circuit
light bulb
What is a circuit with several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
To complete the circuit, a wire should be placed from —
When the switch is closed the buzzer will sound because -
Why is electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
It is a peace of plastic with many holes
Breadboard
Resistor
Capacitor
All of the above
Electric current is measured in
Amps
Volts
Light years
Micro Seconds
The LED may burst if the voltage of battery is high
True
False
It is used to restrict the flow of current to electrical components in a circuit.
Resistor
Capacitor
Breadboard
Battery
What is this?
Resistor
Capacitor
Rolling pin
Battery
What's this?
Breadboard
Workspace
Plastic box
None of the above
1. What does an LED stand for?
a) Light Emitting Data
b) Light Emitting Diode
c) Light Emitting Display
d) Light Emitting Detector
2. What is the purpose of a resistor in an electronic circuit?
a) To store electrical energy
b) To control the current flow
c) To increase the voltage
d) To decrease the resistance
4. What is the unit of electric current?
a) Ampere
b) Watt
c) Volt
d) Ohm
8. What is the unit of electrical resistance?
a) Ampere
b) Watt
c) Volt
d) Ohm
Will the light bulb in this circuit light? Why or why not?
yes, because it has two batteries
no, because the switch is open
yes, because it is in a circuit
no, because the bulb is burned out
Mason, Mia, and Maya are working on a science project. They are using a multimeter and notice the symbol 'V' on the display. What does this symbol represent in their experiment?
Velocity
Vibration
Voltage
Volume
Arjun is working on a science project and he uses a multimeter. He sees the symbol 'A' on the multimeter display. What does this symbol represent in his experiment?
It represents the resistance measurement in ohms
It represents the current measurement in amperes
It represents the voltage measurement in volts
It represents the frequency measurement in hertz
David is working on a science project and he uses a multimeter. He sees the symbol 'Ω' on the multimeter display. What does this symbol represent?
Voltage
Current
Resistance
Frequency
Abigail is learning about electricity in her physics class. Her teacher, Daniel, shows the class a multimeter and points to the 'DC' symbol on its display. He asks Arjun, 'What does the 'DC' symbol on this multimeter represent?'
Direct current
Digital clock
Double capacity
Data center
Rohan, Anika, and Jackson are working on a science project involving a multimeter. They see the symbol 'AC' on the multimeter display. What does this symbol represent?
Air conditioning
Alternating current
Direct current
Analog clock
True or false; Alternating current comes from a power source like a battery or solar cells.
True
False
Which best describes direct current?
An audio or radio signal
Reverses direction many times a second
Measures magnitude of earthquakes
Electric current only flows in one direction
The multimeter should always be set ______ than/with the indicated value.
Lower
Higher
Twice
The same
What will appear to the display if the probes are connected in reverse?
A positive reading
A "twice the value" reading
A negative reading
An infinity symbol
what links the yellow holes together?
connected metal clips
nothing connects them
plastic
none of these
What will happen if you forget to include one of these in the circuit?
The current will go too fast
The LED will burn out
The circuit will overload
All of the above
