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Grade 12Electrostatics

If 109 electrons move out of a body to another body every second,how much time is required to get a total charge of 1 coulomb of the other body?

Profile image of Anusha
11 Years agoGrade 12
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1 Answer

Profile image of Sumit Majumdar
11 Years ago
Dear student,
According to the question, 109electrons move out in 1 sec.
So, the charge transferred per unit sec is equal to1.6\times 10^{-19} \times 10^9=1.6 \times 10^{-10} C
so, to transfer 1 C charge, the time taken would be equal to
\frac {1}{1.6 \times 10^{-10} C}=0.625\times 10^{10} sec
Regards