Question #298363

Lightning occurs when there is a flow of electric charge (principally electrons) between the

ground and a thundercloud. The maximum rate of charge flow in a lightning bolt is about 20,000 C/s this lasts for 100 μs or less. How much charge flows between the ground and the cloud in this time? How many electrons flow during this time?


1
Expert's answer
2022-02-16T10:28:38-0500

dqdt=i=20000C/sec\frac{dq}{dt}=i=20000C/sec

Charge

q=itq=it

q=20000×100×106=2Cq=20000\times100\times10^{-6}=2C

Charge

q=2Cq=2C

Number of electrons

q=neq=ne

n=qen=\frac{q}{e}

n=21.6×1019=1.25×1019n=\frac{2}{1.6\times10^{-19}}=1.25\times10^{19}

Number of electrons (n)=1.25×10191.25\times10^{19}


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