Solving a problem in physics section 72 point 78 electr

Solving a problem in physics section 72 point 78 electr

78. The electric field strength at the surface of the earth is approximately 130 V / m. Determine the Earth’s charge approximately, assuming that it has the shape of a ball with a radius of 6400 km.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)