Human nerve cell have a net negative charge and the material in the interior of the cell is a good conductor. If a cell has a net charge of -8.65 pC, what are the magnitude and direction (inward or outward) of the net flux through the cell boundary? What is the charge density passing through the cell? Assume that the portion of the cell in question is spherical.

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Q: Human nerve cells have a net negative charge and the material in the interior of the cell is a good…

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Q: If a cell has a net charge of -8.65 pC, what are the magnitude anf direction (inward or outward) of…

A: From Gauss’s law, net flux through the cell boundary is given by, ϕ=Qenclosedε0

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Q: If a human nerve cell has a net charge of -8.65 pC, what are the magnitude and direction (inward or…

A: From Gauss’s law, net flux through the cell boundary is ϕ=Qenclε0=-8.65×10-12 C8.85×10-12 F/m=-0.977…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.