what is the free electron in the led
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Verkiesings is 'n sentrale kenmerk van demokrasie. Vir verkiesings om die wil van die kiesers uit te druk, moet hulle vry en reg wees. 'Vry' beteken dat almal wat geregtig is om te stem, die reg het om ...
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Free electrons :
Atoms in metals have one or more electrons which are loosely bound to the nucleus. These electrons are called free electrons and can be easily detached from the atoms by applying small energy.
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