What uniform surface charge density would be required

Reference no: EM13290462

A uniform electric field of about 100 V/m pointing straight down, exists just above Earth's surface.

a) Find the potential difference between the ground and the top of a 21m-tall building.

B) If we assume that this electric field is created because the Earth's surface is uniformly charged, what uniform surface charge density would be required?

Reference no: EM13290462

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