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Keshav_5360
#1 Posted : Friday, July 17, 2020 12:42:41 AM
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Hello!

I am confused about the rules that Faisal stated on the bottom of page 158 of CC Physics. It explains uniform electric fields. I am confused why positive charges accelerate to points of lower electric potential (ΔPE = - )
and negative charges accelerated to points of higher electric potential (ΔPE = - ) ?

Thank you!

INSTR_Katerina_102
#2 Posted : Friday, July 17, 2020 5:23:35 PM
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Hi,

I think Faisal means something like what I've drawn here: https://ibb.co/xh7nPNG

I view uniform electric fields as extensions of coloumb's law, where + attracts - and - attracts +.

Because electric fields have a gradient from + to -, you can expect - and + charged species to move in opposite directions.

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