Suppose that after walking across a carpeted floor you reach for a doorknob, and just before you touch it a spark jumps 0.2 cm between your finger and the doorknob. Find the minimum voltage difference betwen your finger and the doorknob for this to occur.(adsbygoogle = window.adsbygoogle || []).push({});

I did V=Ed

which I plugged in (8.85 x 10^-12)(.2 x 10^-3) and I got this wrong. What am I doing wrong?

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# Homework Help: Minmum Voltage

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