What is the linear charge density together the arc

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Reference no: EM1365198

Q. A potential difference of 91 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell?

Q. A charge -342e is uniformly distributed along a circular arc of radius 4.10 cm, which subtends an angle of 68o. What is the linear charge density along the arc?

Reference no: EM1365198

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