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What is the charge of one coulomb in terms of the number of electrons? (2023)

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Question: What is the charge of one coulomb in terms of the number of electrons? (2023)

Options:

  1. 6.25 x 10^18 electrons
  2. 1.6 x 10^-19 electrons
  3. 3.2 x 10^-19 electrons
  4. 1.0 x 10^18 electrons

Correct Answer: 6.25 x 10^18 electrons

Exam Year: 2023

Solution: 

One coulomb is equivalent to approximately 6.25 x 10^18 electrons.

What is the charge of one coulomb in terms of the number of electrons? (2023)

Practice Questions

Q1
What is the charge of one coulomb in terms of the number of electrons? (2023)
  1. 6.25 x 10^18 electrons
  2. 1.6 x 10^-19 electrons
  3. 3.2 x 10^-19 electrons
  4. 1.0 x 10^18 electrons

Questions & Step-by-Step Solutions

What is the charge of one coulomb in terms of the number of electrons? (2023)
  • Step 1: Understand that charge is measured in coulombs (C).
  • Step 2: Know that one electron has a charge of approximately -1.6 x 10^-19 coulombs.
  • Step 3: To find out how many electrons make up one coulomb, divide 1 coulomb by the charge of one electron.
  • Step 4: Perform the calculation: 1 C / (1.6 x 10^-19 C/electron).
  • Step 5: This calculation gives you approximately 6.25 x 10^18 electrons.
  • Charge of an Electron – Understanding that the charge of a single electron is approximately -1.6 x 10^-19 coulombs.
  • Coulomb's Law – Recognizing the relationship between charge and the number of electrons.
  • Scientific Notation – Ability to interpret and manipulate numbers in scientific notation.
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