Electrical conduction
principle · 1729 · Early modern era
A substance’s ability to conduct current (Gray).
Principles and materials it uses
- Electron — uses. Current in metals is a flow of electrons.
Where it is used
- Copper wire — is used in. Copper conducts current well.
- Electrical resistance — is used in. Resistance is a property of a conductor.
- Light switch — is used in. Contacts close the circuit.
- Silver — is used in. The best conductor.
- Track circuit — is used in. The wheelset closes the circuit.
- Breadboard — is used in. Contact strips.
- Lightning rod — is used in. It carries the current into the ground.
- Antenna — is used in. Current in a conductor radiates a wave.