Electricity Circuit Quiz

What is the main topic discussed in this video?

• Gravity

• Photosynthesis

• Electricity

• Magnetism

In the initial circuit setup, how many units of brightness does bulb B have?

• 20 units

• 15 units

• 10 units

• 5 units

How many batteries are supplying electricity to bulb B in the initial setup?

• One battery

• No batteries

• Two batteries

• Three batteries

What happens to the metal lever when the button is pressed?

• It disappears

• It breaks

• It moves to a new position

• It stays in the same position

After the button is pressed, how many units of electricity do bulb A and bulb B each receive?

• 5 units

• 15 units

• 10 units

• 20 units