anonymous
  • anonymous
How do I find potential difference?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Shane_B
  • Shane_B
Can you elaborate?
anonymous
  • anonymous
I have some physics hw and was wondering if there is a formula but I have a thorough question :The potential difference between a storm cloud and the ground is 1.9 × 10^8 V. If a bolt carrying 1 C falls from a cloud to Earth, what is the magnitude of the change of potential energy of the charge? Answer in units of J
anonymous
  • anonymous
I looked through my notes and saw v=IR but I don't think that applies

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Shane_B
  • Shane_B
Give me a few minutes and I'll come back to this one...eating :)
anonymous
  • anonymous
No prob thanks!
Shane_B
  • Shane_B
Ok, here's how you'd calculate it: \[\Large \Delta PE = q_0\Delta V = (1C)(1.9x10^8V)=1.9x10^8J\]This formula should be in your book somewhere. This one just happens to work out easily since it's only 1C :)
anonymous
  • anonymous
Thanks!
Shane_B
  • Shane_B
np :)

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