Question

how many electrons charge 10 micro coulomb​

Answer 1

Answer:

62. 5 ×10 ^18

10 micro coulomb

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Answer 2

Answer:

6.25 × 10¹³ electrons charge 10 μC.

Given:

Total charge, q = 10 micro coulomb = 10 μC = 10 × 10⁻⁶ C = 10⁻⁵ C

Find:

The number of electrons constituting a charge of 10 μC.

Solution:

Charge of one electron = 1.6 × 10⁻¹⁹ C

Or we can write,

Number of electrons present constituting a charge of 1.6 × 10⁻¹⁹ C = 1

Number of electrons present constituting a charge of 1 C,n = 1/(1.6 × 10⁻¹⁹)

                                                                                         = (1/1.6) × 10¹⁹

                                                                                         = 0.625 × 10¹⁹

                                                                                         = 6.25 × 10¹⁸

Number of electrons present constituting a charge of 10 μC = n × 10 μC

                                                                     = n × 10⁻⁵

                                                                     = 6.25 × 10¹⁸ × 10⁻⁵

                                                                     = 6.25 × 10¹⁸⁻⁵

                                                                     = 6.25 × 10¹³ electrons

Hence, the number of electrons constituting a charge of 10 μC is 6.25 × 10¹³.

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