what is thermal motion of free electron ? why does it not amout to any electric current
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Electrons in a conductor at normal temprature are always in random motion due to its associated kinetic energy ,and their speed is very high (fermi speed) but the net electron drift through the conductor with no applied potential difference is zero. i.e. net charge flow is zero and hence current is zero.
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Electrons in a conductor at normal temprature are always in random motion due to its associated kinetic energy ,and their speed is very high (fermi speed) but the net electron drift through the conductor with no applied potential difference is zero. i.e. net charge flow is zero and hence current is zero.
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