Question

A certain particle carries 2.39 x 10^-16 C static electric charge. Find out the number of electrons on it.
Find out the number of electrons in it. ​

Answer 1

Answer:

charge of 1 electron = 1.602 × 10^-19 C

Total charge = 2.5 × 10^-16 C

but we know,

number \: of \: electrons \: present \: in \: particle = \frac{total \: charge}{charge \:of \: one \: electron } \\

so, Number of electrons = 2.5 × 10^-16C/1.6.02 × 10^-19C

= 1.56 × 10³ electrons

hence, number of electrons = 1560

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