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What is the current (in A) when a typical static charge of 0.290 µC moves from your finger to a metal doorknob in 1.40 µs? A

User Pcv
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1 Answer

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q = charge = 0.290 uC = 0.290 x 10^-6 C

t = time = 1.40 Us = 1.4 x 10^-6 s

I = current = ?

Apply:

I = q/t

Replacing:

I = 0.290 x 10^-6 / 1.40 x 10^-6 = 0.207 A

User Sorina
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