Question
Mon May 07, 2012 By: Gayathri D

based on electricity chapter

Expert Reply
Mon May 07, 2012
one ampere is defined as the current flowing through a conductor when 1 coulomb charge flows through it in 1 second.
see 
1 electron = 1.602 X 10^ -19 coulomb
OR
1.602 X 10^ -19 coulomb = 1 electron
therefore 1 coulomb = 6.25 X 10^18 electrons
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