Current & Charge Homework: Calculate Electrons/Charge

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SUMMARY

The discussion focuses on calculating the number of electrons passing through a wire and an electric beam based on given currents. For a current of 5A over 10 minutes, the total charge can be calculated using the formula Q = I × t, resulting in 300 Coulombs, which corresponds to approximately 1.875 x 10^21 electrons. In the electric beam experiment with a current of 1.2mA, the charge flowing each minute is 0.072 Coulombs, equating to about 4.5 x 10^20 electrons. The fundamental constant used for these calculations is the charge of a single electron, 1.6 x 10^-19 Coulombs.

PREREQUISITES
  • Understanding of electric current (Amperes)
  • Knowledge of charge (Coulombs)
  • Familiarity with the relationship between charge, current, and time
  • Basic knowledge of electron charge (1.6 x 10^-19 Coulombs)
NEXT STEPS
  • Study the relationship between current, charge, and time in electrical circuits
  • Learn how to apply the formula Q = I × t in various scenarios
  • Explore the concept of electron flow in conductive materials
  • Investigate the implications of electron charge in different physical experiments
USEFUL FOR

Students in physics, electrical engineering learners, and anyone interested in understanding the fundamentals of electric current and charge calculations.

aurao2003
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Homework Statement




Hi, Can you please help with the following:
1. Calculate the number of electrons passing a point in the wire in 10min when the current is 5A

2. In an electric beam experiment the beam current is 1.2mA. Calculate
a. the charge flowing along the beam each minute
b.the number of electrons that pass along the beam each minute

Homework Equations


1 c= 1.6x10^19



The Attempt at a Solution

 
Physics news on Phys.org
Hi, Can you please help with the following:
1. Calculate the number of electrons passing a point in the wire in 10min when the current is 5A

2. In an electric beam experiment the beam current is 1.2mA. Calculate
a. the charge flowing along the beam each minute
b.the number of electrons that pass along the beam each minute
2. Homework Equations
1 c= 1.6x10^19
 

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