A current flowing through a copper wire( which is connected toa battery) is due

Question

A current flowing through a copper wire( which is connected toa battery) is due to A) electrons being accelerated by an electric field. B) electrons being bumped by positively chargedparticles. C) positively charged particles being pushed off the batteryterminal. D) positively charged particles being attracted to thenegative terminal of a battery. . i know the answer is letter A... but can you explain in moredetail why is this?? A current flowing through a copper wire( which is connected toa battery) is due to A) electrons being accelerated by an electric field. B) electrons being bumped by positively chargedparticles. C) positively charged particles being pushed off the batteryterminal. D) positively charged particles being attracted to thenegative terminal of a battery. . i know the answer is letter A... but can you explain in moredetail why is this??

Explanation / Answer

Copper is a metal.Copper have free electrons.When we connect thewire to a battery a potential difference is applied at the ends ofcopper wire .Due to this potential differece then the electronsaccelerated from end of the wire to the other.

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