What is the charge density of the bead

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Reference no: EM13717024

Compute all parts of given problem:

Problem: A 115mg plastic bead has a radius of 364um and is charged by the addition of 1.56 x 10¹⁰ excess electrons. You may assume that the excess electrons are spread uniformly throughout the bead.

Part A: What is the charge density of the bead?

Part B: What electric field strength will cause the bead to hang suspended in the air?

Please show all intermediate steps and formulas for above problem.

Reference no: EM13717024

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