Q.

Calculate the number of electrons constituting 16 C of charge.


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a

1012

b

1020

c

1022

d

1030 

answer is B.

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Detailed Solution

The number of electrons in 16 C of charge is 1020.
We have:
Q=ne
Where n is the number of electrons and e is the charge of an electron.
Charge of 1 electron e=1.6×10-19 C  No. of electrons in 16 C of charge is n=161.6×10-19
=>n=1020
Thus, there are 1020 electrons in 16 C of charge.
 
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