Question: Sample problem: We apply a potential of 1V across a capacity of 1 cm length and of 100m diameter. The filed should decrease linearly E=100V/m.

Sample problem: We apply a potential of 1V across a capacity

Sample problem: We apply a potential of 1V across a capacity of 1 cm length and of 100m diameter. The filed should decrease linearly E=100V/m. The capillary is filled with water and the zeta potential is 0.05V. How much electrolyte flows through the capillary per unit time? dtdV=rc20Ex dtdV=(50106m)278.58.851012VmC20.001kgs1m10.05Vx100Vm1 dtdV=2.731014sm3 Volume of the capillary: (50106m)20.01m=7.851011m3 The liquid in the capillary will be exchanged in 47.90min

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