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calculate the net charge on a substance consisting of 5 multiply 10 to the power 14 electrons.

calculate the net charge on a substance consisting of 5 multiply 10 to the power 14 electrons.

Grade:12

3 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Dear student

Charge on one e is 1.6*10^-19

Multiply with number of e

To obtain total charge

Regards
Arun
25758 Points
2 years ago
Dear student
 
Since there are electrons..hence charge will be negative.
 
5*10^14 * 1.6 * 10^-19 = 8 * 10^-5 coulomb
Vijit Singh
13 Points
2 years ago
charge on 1 electron = -1.6x10^(-19)        (^ refers to power)
since electron is negatively charged body,so value is negative
no. of electrons = 5x10^(14)
Net Charge ={ (-1.6)x10^(-19) }x{ 5x10^(14) }
                    = -8x10^(-5) Coulombs

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