WorksheetsFundamentals of Electricity
Total questions: 10
Worksheet time: 10mins
Which type of current moves in two directions?
Static current
Direct current (DC)
Alternating current (AC)
Neutral current
What is a molecule of water made up of?
Two oxygen atoms and one hydrogen atom
Two hydrogen atoms and one oxygen atom
One hydrogen atom and one oxygen atom
Two nitrogen atoms and one oxygen atom
What particles orbit around the nucleus of an atom?
Protons
Neutrons
Electrons
Molecules
What is the number of protons and electrons in a hydrogen atom?
1
29
82
2
Which of the following can create the pressure needed to move electrons?
Magnets
Gravity
Light
Sound
What is an insulator?
A chemical element that allows the easy movement of electrons
A chemical element that does not allow the easy movement of electrons
A positively charged particle
A particle with no charge
What is the role of free electrons in the movement of electric current?
They prevent the movement of electrons
They allow electrons to move from one atom to the next
They create a strong bond with the nucleus
They are positively charged particles
What is the charge of a proton?
Positive
Negative
Neutral
Variable
Which subatomic particle is found in the nucleus of an atom along with protons?
Photons
Neutrons
Quarks
Electrons
What is the primary function of a resistor in an electrical circuit?
To increase voltage
To decrease current
To convert AC to DC
To store energy
