CBSE Class 12-science Answered
please solve it
Asked by | 20 Feb, 2010, 03:56: PM
Expert Answer
We find need to find the number of electrons in 75 kg of electrons.
1 electron has a mass of 9.10x10-31 kg.
Hence the number of electrons, 75/9.10x10-31= 8.24 x 1031 electrons.
Charge on 75 kg electrons = 8.24 x 1031 x 1.603x10-19 = 13.21x1012 C = 13.21 TC
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TopperLearning.
Answered by | 20 Feb, 2010, 06:38: PM
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