1. a small droplet of oil with a mass of 3.50 x10^-15 kg is given a small excess charge, which allows it to be held suspended in a region of uniform electric fields which is directed downward with a magnitude of 12610 N/c. is the excess negative positive or neutral?

2. for the situation is question 1 how many elementary charges (unbalanced electrons or protons) are on the oil object?

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1 Since the oil droplet is suspended in a downward electric field it means t... View the full answer