A good ELECTRICAL CONDUCTOR is a substance which allows electricity to flow through it easily. The opposite of a good electrical conductor is a good ELECTRICAL INSULATOR, which stops electricity from flowing through it.
This experiment will show you whether materials are good conductors or not.
1. Making a Circuit Tester
Turn ON the switch, light the bulb by allowing the probes to touch each other.
2. Now touch a copper coin with both probes. Continue reading