Eiffel Tower

The video discusses the Eiffel Tower's lighting system, which uses 20,000 bulbs powered by mains electricity. It explains the components of an electrical circuit, including a power source, wire, components, and a switch. The Eiffel Tower's lights are energy-efficient and only operate for a few minutes each night to conserve electricity.

What is the primary purpose of the Eiffel Tower's light display?

• To guide airplanes

• To delight the gathered crowds

• To signal weather changes

• To conserve energy

Which of the following is NOT a component of a typical electrical circuit?

• Power source

• Transformer

• Light bulb

• Switch

What happens when the switch in an electrical circuit is turned on?

• The circuit becomes incomplete

• The current stops flowing

• The circuit becomes complete

• The power source is disconnected

What powers the lights of the Eiffel Tower?

• Solar panels

• Battery packs

• Mains electricity

• Wind turbines

How has the Eiffel Tower reduced its power consumption for the light show?

• By using solar panels

• By using energy-efficient bulbs

• By increasing the number of bulbs

• By extending the duration of the light show