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Problem 1: Common static electricity involves charges varying from nanocoulombs to microcoulombs 1 0 Part (a) How many electrons are needed to form a charge of0︼nC? Namerie :A mumeric value is expected and not an expression Part (b) How many electrons must be removed from a neutral object so leave a net charge of QJ5 pC Numeric A numerie value is expected and not an expression ,以10-19 one eleclfor hes a charge os e: x1o-aC Problem 2: Electrons have a charge of9 1602 x1o CA su dent observes that a Styr fem eup has n total charge of 23 -AM ㄱ rlo Nimber os excess eleciton

I need help with part b of question 1 my boxed answer seems to be incorrect.

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Answer #1

b)The number of electrons is, 12 7 0.15x10 1.6x10-19 9.375 x10

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