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प्रश्न
Answer the following in one or two sentences.
How many electrons would have a total charge of 1 coulomb?
योग
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उत्तर
Charge on l e- is 1.602 × 10-19 coulomb.
l e- ≡ 1.602 × 10-19 C
∴ Number of electrons having total charge of 1 coulomb
`= 1/(1.602 xx 10^-19) = 6.242 xx 10^18`
The number of electrons having a total charge of 1 coulomb is 6.242 × 1018
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