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The number of electrons constituting one coulomb of charge is
- a)6.25 × 10–18
- b)6.1 × 10–19
- c)6.25 × 10–19
- d)6.25 × 1018
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The number of electrons constituting one coulomb of charge isa)6.25 &t...
Understanding Charge and Electrons
The question revolves around the relationship between electric charge and the number of electrons. To find the number of electrons in one coulomb of charge, we need to know the charge of a single electron.
Charge of an Electron
- Each electron carries a fundamental charge of approximately -1.6 × 10^-19 coulombs.
Calculating the Number of Electrons
To find the total number of electrons in one coulomb, we divide the total charge (1 coulomb) by the charge of one electron.
- Formula:
Number of electrons = Total charge / Charge of one electron
- Using the values:
Number of electrons = 1 C / (1.6 × 10^-19 C/electron)
- Performing the calculation:
Number of electrons = 1 / (1.6 × 10^-19)
≈ 6.25 × 10^18 electrons
Conclusion
Thus, one coulomb of charge is constituted by approximately 6.25 × 10^18 electrons, confirming that the correct answer is option 'D'.
This relationship underscores the concept of charge at the atomic level and illustrates how a seemingly large unit of charge like a coulomb is composed of an exceedingly vast number of elementary particles like electrons. Understanding this helps in grasping the fundamentals of electric charge and its quantization.
The question revolves around the relationship between electric charge and the number of electrons. To find the number of electrons in one coulomb of charge, we need to know the charge of a single electron.
Charge of an Electron
- Each electron carries a fundamental charge of approximately -1.6 × 10^-19 coulombs.
Calculating the Number of Electrons
To find the total number of electrons in one coulomb, we divide the total charge (1 coulomb) by the charge of one electron.
- Formula:
Number of electrons = Total charge / Charge of one electron
- Using the values:
Number of electrons = 1 C / (1.6 × 10^-19 C/electron)
- Performing the calculation:
Number of electrons = 1 / (1.6 × 10^-19)
≈ 6.25 × 10^18 electrons
Conclusion
Thus, one coulomb of charge is constituted by approximately 6.25 × 10^18 electrons, confirming that the correct answer is option 'D'.
This relationship underscores the concept of charge at the atomic level and illustrates how a seemingly large unit of charge like a coulomb is composed of an exceedingly vast number of elementary particles like electrons. Understanding this helps in grasping the fundamentals of electric charge and its quantization.
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The number of electrons constituting one coulomb of charge isa)6.25 &t...
The charge on one electron, e = 1.6 × 10–19 C. Number of electrons constituting 1 coulomb is given by n = Q/e
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