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How many electrons are required to make a charge of 50 micro coulombs (uC) | Basic Electrical Engineering MCQ

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How many electrons are required to make a charge of 50 μC?

  1. 2.96 × 1012
  2. 3.12 × 1014
  3. 4.18 × 1015
  4. 5.84 × 1016

Correct answer: 2. 3.12 × 1014

Explanation:

Number of electrons = Total charge/Charge on one electron

Number of electrons = 50 μC / 1.6 × 10-19

= 3.12 × 1014

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