WorksheetsElectricity Current
Total questions: 15
Worksheet time: 15mins
The following is the formula for ______________________.
Fe = q x E
Friction
Electric Force
Charge
What is an electric current?
a build up of electrons
the difference in charge between 2 points
the flow of electrons across a circuit
opposition to the flow of electrons
What is the unit we use to measure electric current?
ampere (amp)
ohm
volt
newton
If the voltage is increased and the resistance stays the same, current will ____.
Increase
Decrease
Stay the same
Not enough info
The light bulb does not turn on, which statement explains why it is not working?
The battery is dead
The light bulb is broken
The bell is taking all of the energy
The light bulb is not part of a complete circuit
Mrs. Rodriguez has a battery, wooden spoon, copper wire, metal paperclip, and a light bulb. Which materials does Mrs. Rodriguez need in order to create a complete circuit?
battery, wooden spoon, copper wire, and light bulb
battery, metal paperclip, copper wire, and light bulb
metal paperclip, copper wire, and light bulb
battery, wooden spoon, and light bulb
Which electric circuit contains several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
This circuit has a battery, buzzer, and switch. When the switch is turned on, the buzzer will produce sound because -
The turned on switch will provide energy to the buzzer.
The turned on switch will decrease the resistance in the circuit.
Electrical energy will be absorbed completely by the buzzer when the switch is turned on.
Electric charges will flow in a complete path when the switch is turned on.
Choose the correct sentence.
This circuit will work because it is an open circuit.
This circuit will work because it is a closed circuit.
This circuit will NOT work because it is an open circuit.
This circuit will NOT work because it is a closed circuit.
This circuit won't work. What essential part is missing from this circuit?
resistance
energy source
conductor
ammeter
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
Point D to Point C
Point B to Point C
Point A to Point D
Point B to Point D
Which of the following can work as an energy source?
Battery
Light bulb
Wire
All of them
What is the role of a resistor in an electric circuit?
To increase the current
To decrease the current
To store electrical energy
To convert electrical energy into light
Which of the following materials is a good conductor of electricity?
Rubber
Glass
Copper
Wood
In a simple circuit, if the resistance is doubled while the voltage remains constant, what happens to the current?
It doubles
It halves
It remains the same
It becomes zero
