why is potential on Earth surface is zero ?
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The real Earth (the planet you are probably standing on) is electrically neutral. This means that it has the same number of electrons and protons, so their charges cancel out overall. Scientifically, we describe this by saying that the Earth has an Electric Potential of zero.
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Explanation:Formula of potential energy is: mgh
Where,m - mass
g - acceleration due to gravity
h - height
So, when on Earth's surface, there is no height. Hence, h=0.
Therefore, potential energy on Earth's surface is zero.
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