When a potential difference is applied across
the ends of a linear metallic conductor :-
1) group of free electrons are accelerated
continuously from the lower potential
end to the higher potential end of the
conductor
2) group of free electrons are accelerated
continuously from the higher potential
end to the lower potential end of the
conductor
3) group of free electrons acquire a
constant drift velocity from the lower
potential end to the higher potential
end of the conductor.
4) each free electron is set in motion from
their position of rest.
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Explanation:
When potential difference is applied across the ends of conductor, then flow of electrons takes place from low to high potential, that is, from a point of excess electrons to the point of deficiency of electrons. During this time, they also possess drift velocity.
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