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A certain particle carries 2.5 xx 10^(–1...

A certain particle carries `2.5 xx 10^(–16)C` of static electric charge. Calculate the number of electrons present in it.

Text Solution

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No. of electrons `= ("static charge")/("charge of each " e^(-))`
`= (2.5 xx 10^(-16)"coulomb")/(1.602 xx 10^(-19) "coulomb")`
`= 1.56 xx 10^(3)` electrons = 1.560 electrons.
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