How the small dynamo in a bicycle works

The video tutorial explains how small dynamos generate electricity using a bicycle. It describes the construction of a small dynamo, involving a cylinder, a U-shaped magnet, and a coil. The demonstration shows how the movement of the bicycle wheel generates electricity, lighting a lamp. The video also compares small dynamos to large ones used in cities, highlighting the differences in their construction and application.

What components are needed to build a small Dynamo using a bicycle?

Describe the role of the U-shaped magnet in the Dynamo setup.

What happens to the lamp when the bicycle moves and the Dynamo operates?

Explain how the movement of the bicycle wheel generates electricity in the Dynamo.

What is the difference between a small Dynamo and a large Dynamo?