Calculate the charge on iron nucleus .detemine the total charge on 75 kg of electrons
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No.of electron in 75kg of electrons = 75/mass of one electron
75/9.1× 10^-31
Charge on 1 electron = 1.6×10^-19
charge on 75 kg of electron = (75/9.1×10^-31)×1.6×10^-19 = 1.32^13C
75/9.1× 10^-31
Charge on 1 electron = 1.6×10^-19
charge on 75 kg of electron = (75/9.1×10^-31)×1.6×10^-19 = 1.32^13C
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