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Question
what is the total charge in couloumbs of 72 kg of electron
what is the total charge in couloumbs of 72 kg of electron
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Solution
Mass of an electron=9.11×10^(-31) kg
number of electrons in 72 kg ,n=72/(9.11×10^(-31))
=7.903×10^31
Charge of these electrons =7.903×10^(31)×1.6×10^(-19)
=-1.2645×10^(13) C
Answer is -1.2645×10^(13)
number of electrons in 72 kg ,n=72/(9.11×10^(-31))
=7.903×10^31
Charge of these electrons =7.903×10^(31)×1.6×10^(-19)
=-1.2645×10^(13) C
Answer is -1.2645×10^(13)
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