How to Make a Conductivity Apparatus

By Society & Culture & Entertainment Last updated Wednesday, May/29/2024

1). Set the battery inside the battery holder. Attach the positive lead on the battery case onto one end of the metal strip.
2). Set the bulb into the socket or bulb holder.
3). Connect the other end of the metal strip to the positive wire from the bulb holder.
4). Connect the negative wire from the bulb to the battery to complete the circuit. Because the metal strip is a conductor, the bulb will light up, indicating that electrical current is flowing through the circuit.
5). Experiment with other conductors and insulators. For instance, replace the metal strip with a rubber band. This will cause the light to go out because rubber is an insulator. Test different types of materials to determine conductivity.

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