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Draw pictures please!!

90. Thunderclouds may develop a voltage difference of about 5 x 10 V. Given that an electric field of 3 x 10 V/m is required to produce an electrical spark within a volume of air, estimate the length of a thundercloud ightning bolt. (Can you see why, when lightning strikes from a cloud to the ground, the bolt has to propagate as a sequence of steps?]
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Answer #1

SOLUTION simce, the v so, etedtucfreld = Voltage ditteruna 从 3 X 10GAs we know, if there is a voltage difference =V

Distance =d

Then,Electric field ,E=V/d.

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