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Week5 (dragged) 29

Week5 (dragged) 29 - so we can calculate the electric field...

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September 21, 2010 University Physics, Chapter 24 44 Example: Thundercloud (3) Question 2: Knowing that lightning strikes require electric field strengths of approximately 2.5 MV/m, are these conditions sufficient for a lightning strike? Answer: ! We know the potential difference between the cloud and ground
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Unformatted text preview: so we can calculate the electric field ! E is lower than 2.5 MV/m, so no lightning cloud to ground • May have lightning to radio tower or tree…. Thursday, September 23, 2010...
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