Part A

Dry air will break down and generate a spark if the electric field exceeds about $3\mathrm{.}0{10}^6\frac{N}{C}.$

How much charge could be packed onto a green pea $($diameter $0\mathrm{.}85cm)$ before the pea spontaneously discharges? $[$Hint$.$ Equations $16-4$ in the textbook work outside a sphere if $r$ is measured from its center.$]$

Express your answer using two significant figures.

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