Electrical Engineering ⇒ Topic : Insulator
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Seema
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Insulator A substance which has very few free electrons is called an insulator of electricity. If a voltage source is applied across the wire of insulator material, practically no current flows through the wire. Most substances including plastics, ceramics, rubber, paper and most liquids and gases fall in this category. Of course, there are many practical uses for insulators in the electrical and electronic industries including wire coatings, safety enclosures and power-line insulators | |
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