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Q.

Calculate the number of electrons constituting one coulomb of charge:


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a

  6.25×1018

b

  6.25×1015

c

  6.25×1017

d

None of these 

answer is A.

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Detailed Solution


Concept: As we know charge on 1 electron is
e = 1.602× 10-19c  Now for 1 C of charge number of electrons required is
1 = n×en = 11.602× 10-19c So, number of electrons is  6.25×1018
Hence, option 1 is correct.
 
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