Current and Resistance7517.5The period of the electron in its orbit is 2rTvπ=, and the current represented by the orbiting electron is ()()61931122.1910 m s1.6010C1.0510C s1.05 mA25.2910 meveQItTr−−−∆===∆××××=17.6The mass of a single gold atom is -22-2523197 g mol3.2710g3.2710kg6.0210atoms molatomAMmN=××The number of atoms deposited, and hence the number of ions moving to the negative electrode, is 321-253.2510kg9.93103.2710kgatommnm−×=××Thus, the current in the cell is ( )21199.93101.6010C0.159 A
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This note was uploaded on 12/09/2011 for the course PHYS 2020 taught by Professor Staff during the Fall '10 term at FIU.