Chapters 16 & 17 - Chapters 16 & 17 Physics 101...

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Physics 101 Combined Chapters on Electricity and Magnetism
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Introduction to Hyperphysics Do a “Google Search” for hyperphysics http://hyperphysics.phyastr.gsu.edu/hbase/HFrame.html
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Hyperphysics Introducory Page
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Electricity in the Atmosphere Note that the earth (ground) is normally negatively charged. The person to the right in the diagram distorts the electric field and in reality the person’s head is at ground potential.
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Electric Currents in the Atmosphere A small current passes from the sky to the earth. It is on the order of 10  A Where do these charges come from? Ans: Ionizations produced by cosmic rays The balloon experiment proved it did not come from the earth’s natural radioactivity. Atmospheric physics became an interesting branch of physics. How does the atmospheric electric field continue to exist
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Typical Electric Current on a Clear Day
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time (time is shown as GMT or “Zulu Time”). The potential has its peak value at 7:00 PM no matter where you measure it:
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Chapters 16 & 17 - Chapters 16 & 17 Physics 101...

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