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Okay, school just started and I haven't had time to pick up my books and my memory isn't working...
The question is: At location A there is an electric field in the direction shown by the orange arrow. (vertical arrow) If a proton is placed at location A, what is the direction of the electric force on the proton?
I know it's perpendicular to the arrow, and I'm supposed to use my right hand, but I can't remember which side of my hand is supposed to represent protons when I point my thumb in the direction of the electric field. My memory says the back of my hand, but for some reason it makes sense if the "p"alm matched with "p"rotons.
I've tried searching google, but even when I search "electric field right hand rule" all I get are magnetic and electro magnetic pages. I appreciate any help.
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