Physics, asked by pankaj12je, 1 year ago

Calculate the number of electrons constituting on one coloumb of charge


pankaj12je: i didn't understood this 1
angelmuskan2812: hmm..ok ...but of which class this question is?
pankaj12je: 10
angelmuskan2812: umm ok....i think there is no electron in physiscs..
angelmuskan2812: n from which chapter this question is?
pankaj12je: electicity
angelmuskan2812: okay..! but there is no electron in physics..!
pankaj12je: NCERT text page 200
angelmuskan2812: okay..! wait i will check
angelmuskan2812: i got the correct asnwer

Answers

Answered by angelmuskan2812
19
We know that the a electron have charge of 1.6 × 10 (−19)  C

∴ e =
1.6 × 10(−19) C

Total charge required 1 Coulomb
.∴ q = 1C
Since q=ne
⇒ n =q/e
 n =  1/1.6 × 10 (−19)                         {power of 10 is (-19)}
⇒6.25×10 (18)
⇒6×10 (18) electrons.. ..... {10 to the power 10}

angelmuskan2812: hey..i got the answer..hope helped u dear friend..n pls mark it as the best pls
pankaj12je: kk
angelmuskan2812: any doubts u r having..?
pankaj12je: no
pankaj12je: but how did u solve this
angelmuskan2812: i asked to my sister n she explained me the question n then i solved this...simple..!
angelmuskan2812: but i solved it my self ok....
pankaj12je: k n thanks
angelmuskan2812: hmm..ur most welcome dear #pankaj..n pls mak it as the best answer..!
angelmuskan2812: thanks..4 making me the brainliest..!!!! :) ....
Answered by kvnmurty
11
An electron has a charge = e = 1.602 * 10⁻¹⁹ coulombs
 
   So in one coulomb there will be  1 coulomb / e  number of electrons
         = 1 C / (1.602 * 10⁻¹⁹ C)  = 6.2415 * 10⁺¹⁸ number of electrons


kvnmurty: click on thank you link
angelmuskan2812: :)
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