A metal wire has a sufficient number of moving electrons . but if this wire is not connected to a cell or battery then there is no flow of electric current. why?
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Answer:
In the absence of an electric field , the motion of the electrons in a metal is random. There is no net flow of charge across any section of the conductor. So no current flows in the metal.
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Answer:
answer is
Explanation:
In the absence of an electric field , the motion of the electrons in a metal is random. There is no net flow of charge across any section of the conductor. So no current flows in the metal.
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