If 109 electrons move out of a body to one another body every second . how much time is required to get a total charge of 1 C on the other body- it is an eg from the ncert from first chapter. but I cant understand the answer given by ncert?
BHAVANA RM , 10 Years ago
Grade 12
1 Answers
Arun
Last Activity: 4 Years ago
We know that 1 Coulomb = 6.242×1018 eletrons
given 10^9 electrons take 1 secs
=> 10^9 electrons ------> 1 sec
=> 1 electrons ---------> 1/(10^9) secs
=> 6.242×1018 ------> 6.242×1018/ (10^9)
= 6.242×109 secs = 6.242×109/ (60*60*24*365) years
=197.93 years
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