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electrical insulator (Physics Dictionary)

electrical insulator : Any material whose internal electric charges do not flow freely and which therefore does not conduct an electric current under the influence of an electric field.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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