SUMMARY
The charge of a nanogram of electrons can be calculated using the mass of an electron and its charge. The mass of an electron is approximately 9.11 x 10-31 kg, and the charge of a single electron is about -1.6 x 10-19 coulombs. Therefore, a nanogram (1 x 10-9 grams) of electrons corresponds to a charge of approximately -6.24 x 109 coulombs. This calculation clarifies the misunderstanding regarding the options provided in the test question.
PREREQUISITES
- Understanding of elementary charge and its value (-1.6 x 10-19 C)
- Knowledge of the mass of an electron (9.11 x 10-31 kg)
- Basic principles of mass-to-charge conversion
- Familiarity with scientific notation and unit conversions
NEXT STEPS
- Research the concept of elementary charge in physics
- Learn about the mass-energy equivalence principle
- Explore calculations involving charge density and electron flow
- Study the applications of Coulomb's law in electrostatics
USEFUL FOR
Students studying physics, educators teaching electromagnetism, and anyone interested in understanding the fundamental properties of electrons and their charges.
