Grade 8 Electricity Quiz

What is voltage measured in?

• Watts

• Ohms

• Volts

• Amperes

What does current refer to?

• The flow of electric charge

• The potential difference

• The power of a circuit

• The opposition to current

What is the formula for Ohm's Law?

• V = I + R

• V = I / R

• V = I * R

• V = R * I

Which of the following is an example of an analog device?

• Computer

• Analog clock

• Smartphone

• Digital clock

What type of signals are discrete?

• Analog signals

• Electrical signals

• Continuous signals

• Digital signals

What are the three main parts of an atom?

• Neutrons, Electrons, Atoms

• Protons, Electrons, Ions

• Electrons, Photons, Neutrons

• Protons, Neutrons, Electrons

What is the path in which electrical current can flow called?

• Circuit

• Voltage

• Load

• Resistance

What is the unit of resistance?

• Watts

• Amperes

• Volts

• Ohms

What is the most important part of an atom?

• Nucleus

• Electrons

• Protons

• Neutrons

What is the flow of electrons called?

• Voltage

• Resistance

• Electric current

• Electric charge