Cloud-to-ground lightning begins within the cloud when the localized electric potential gradient exceeds ____ volts per meter along a path perhaps 50 m long.
A)300
B)3,000
C)30,000
D)300,000
E)3 million

Question

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The Answer of Cloud-to-ground lightning begins within the cloud when the localized electric potential gradient exceeds ____ volts per meter along a path perhaps 50 m long.
A)300
B)3,000
C)30,000
D)300,000
E)3 million

Cloud-To-Ground Lightning Begins Within the Cloud When the Localized Electric