Conductivity. An experiment used to demonstrate the conductivity of various materials. Here the circuit contains a glass rod. This is non-conductive,

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Conductivity. An experiment used to demonstrate the conductivity of various materials. Here the circuit contains a glass rod. This is non-conductive, so none of the three test lamps is illuminated.

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Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
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