ElectrostaticsMedium

Question

How many electrons make up a charge of 20μC

Options

A.1.25 × 10¹⁴

B.2.23 × 10¹⁴

C.3.25 × 10¹⁴

D.5.25 × 10¹⁴

Solution

Change on an electron = 1.6 × 10^-19 coulomb
No, of electrons required =
× 10^-13 = 1.25 × 10¹⁴

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