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A cloud can discharge as much as 20 coulombs in a lightning bolt. If the bolt lasts only 0.1 msec, how many amps is that?

A cloud can discharge as much as 20 coulombs in a lightning bolt. If the bolt lasts only 0.1 msec, how many amps is that?

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Answer #1

The current through the discharge,

$$ \begin{aligned} I &=\frac{q}{t} \\ &=\frac{20 \mathrm{C}}{0.1 \times 10^{-3} \mathrm{~s}} \\ &=20 \times 10^{4} \mathrm{~A} \end{aligned} $$

answered by: Flavoredm
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