2. Lighting occurs when there is a flow of electric charge(principle electrons)

Question

2. Lighting occurs when there is a flow of electric charge(principle electrons) between the ground and a thundercloud. The maximum rate of charge flow in a lighting bolt is about20,000C/s; this lasts for 100 X 10^-6 or less. How many charge flows between theground and the cloud in the time? How many electrons flowduring this time? please give me all the detail.. 100 X 10^-6 or less. How many charge flows between theground and the cloud in the time? How many electrons flowduring this time? please give me all the detail..

Explanation / Answer

        Rate of flow of charge,Q / t = 20000 C / s         Time, t = 100 X 10-6 s          Charge flow, Q =20000 * 100 X 10 -6                                  = 2 C          No. of electrons,n = Q / e                                       = 2 / ( 1.6 X 10 -19 )                                       = 1.25 X 10 19

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