Q15. Describe an activity to show that thermoplastic is a poor conductor of electricity.

Answers (1)

Aim: To show thermoplastic is a poor conductor of electricity.

Materials required: A battery, conducting copper wires, an LED bulb, a small PVC (thermoplastic) rod, a metal rod.

 

Experiment: We make a circuit as shown. First, we connect the two ends of the copper wires with the metal rod. Next, we replace it with the PVC rod.

Observation: The LED bulb glows when the metal rod is connected but does not glow when the PVC rod is connected. 

Conclusion: Thermoplastic is a poor conductor of electricity.

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