1. Name: _________________________
Schematic
Experiment – list steps
Theory
Observations
The speaker has a coil of wires that, when an electrical current is applied to it, it makes an _____________________ field.
The speaker has a permanent _________ in it.
The electromagnet is attached to a _______ __________.
When powered, the electromagnet is attracted to the permanent magnet causing the paper cone to ________________.
1. Describe the sound you hear.
2. What do you do to cause the sound to happen?
3. In complete sentences, write what you learned about a speaker in a circuit.