Topic: Electrical Conduction
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Answers to Common Questions
What Materials Conduct Electricity?
Materials in which Valance Band & Conduction Band overlap, such material conduct electricity. All metals are pure conductors of electricity. Read More »
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What Conducts Electricity?
Many materials conduct electricity. A few common examples are metallics like aluminum, copper, sliver, and gold. Some non-metallic conductors are plasma and salts. Read More »
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What is Electrical Conductivity?
The capacity of a substance to carry an electrical flow is known as electrical conductivity. Some materials are better conductors and their conductivity can be measured with a galvanometer.You can find more information here: http://www.ndt-... Read More »
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Electrical Conduction
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Answers to Other Common Questions
It is not the potato that is the key, it is the liquid inside the potato that conducts electricity. In other words, the circuit functions because the liquid provides a path for the circuit to close. For more information look here: http://ww...
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Pure water, which can only be gotten in a lab, will not conduct electricity. You actually need minerals and metals in the water to get the current to flow thus completing the electrical circuit.
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The reason metal conducts electricity has to do with the way metal elements are structured on a microscopic level. Metal atoms are very large, which means the nucleus of the electron shells are far away from the edge. This leaves room for a...
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Water, when in pure form don't conduct electricity. But water usually contains some amount of salts & impurities which make it polar and hence it conducts.
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In metals, Valance band & Conduction band overlap each other. Hence metal has free electrons. When external source such as battery is connected, electrons get specific direction to move and conduction starts.
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Electrical conductivity is a physical property that indicates how well a given material conducts electricity. A current originates when electrical charges flow in response to a difference in electrical potential. The conductivity is defined...
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Source: http://www.ehow.com/how_5183607_test-electrical-conductivity.html
