Wind a Transformer

Transformers: Electromagnetic Induction
Wind a Transformer
PIRA Class: 5K30.10

Purpose
To observe light produced by the current generated in a transformer's secondary coil.

Description
Slowly wind a wire connected to a small light bulb around a vertical transformer. Observe the brightness of the bulb to increase as the number of secondary coils increases.

Equipment
Light bulb on a board, Vertical Transformer