WorksheetsElectric Circuits Review
Total questions: 25
Worksheet time: 25mins
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
The flow of electrical charge per unit time is known as...?
Voltage
Current
Resistance
Power
In a series circuit, the current...
is different for each resistor
is equal to zero
is the same for each resistor
is equal to the power
In a parallel circuit, the voltage...
is different for each resistor
is the same for each resistor
is equal to the sum of each voltage
is equal to zero
The difference in electric potential between two points is also called...
Current
Voltage
Resistance
Power
As resistance increases, the current will...?
increase
decrease
not changed
stops
What is not needed in order to create a working circuit?
battery (power source)
lightbulb
current
closed circuit
This is the symbol of which electrical device?
A light bulb
An resistor
An electrical cell
A switch
Match the following
Battery
Lightbulb
Switch
Resistor
When more light bulbs are added they all remain bright.
Which of the following represents the potential difference between two points, measured in volts?
voltage
current
electricity
resistance
What is the formula for voltage?
V = (I x R) / 2
V = I / R
V = R / I
V = I x R
If an electric ceramic brush has a current of 0.3 amps and a voltage of 120 volts, what is the resistance?
18Ω
36Ω
200Ω
400Ω
If a computer has 10.0A of current and 11Ω of resistance, what is its voltage?
0.9V
1.1V
55V
110V
Based on the model, which of the following would be true regarding the relationship between voltage, current, and resistance?
Current will reduce voltage.
Current will not pass through resistance.
Resistance will reduce current.
Voltage will reduce resistance.
Based on the graph, which of the following would be true regarding the relationship of voltage and current?
As voltage increases, current decreases.
Voltage will not affect current.
As voltage decreases, current increases.
As voltage increases, current also increases.
Based on the table, which of the following is true regarding the relationship of voltage, resistance and current?
If resistance remains constant while voltage increases, current will decrease.
If current remains constant while resistance increases, voltage will increase.
If voltage remains constant while resistance increases, current will decrease.
If resistance remains constant while current is increasing, voltage will decrease.
