How to Calculate Current from Electron Flow?

  • Thread starter Thread starter W29EMP
  • Start date Start date
  • Tags Tags
    Current Electrons
Click For Summary
SUMMARY

The discussion focuses on calculating electrical current from electron flow, specifically a charge of 3.7x1014 electrons flowing through a wire in 150 microseconds. The current can be calculated using the formula I = Q/t, where I is the current, Q is the total charge, and t is the time in seconds. The total charge can be derived from the number of electrons multiplied by the elementary charge (1.6x10-19 coulombs). The final calculation yields a current of approximately 3.7 mA.

PREREQUISITES
  • Understanding of basic electrical concepts, particularly current and charge.
  • Familiarity with the formula I = Q/t for calculating current.
  • Knowledge of the elementary charge (1.6x10-19 coulombs).
  • Ability to convert microseconds to seconds for accurate calculations.
NEXT STEPS
  • Study the relationship between charge, current, and time in electrical circuits.
  • Learn about the concept of elementary charge and its significance in calculations.
  • Explore practical applications of current calculations in electronics.
  • Investigate advanced topics such as charge carriers in different materials.
USEFUL FOR

Students in physics or electrical engineering, educators teaching electrical concepts, and anyone interested in understanding the fundamentals of current calculation from electron flow.

W29EMP
Messages
1
Reaction score
0

Homework Statement


A charge containg 3.7x10^14 electrons flows throug a wire in 150 uS(micro seconds. What is the current? Could some assist me. Is there a shorter way to arrive at the answer?


Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
What are the units of electrical current?
 

Similar threads

Electrons in a cathode ray tube
  • · Replies 4 ·
Replies
4
Views
2K
Current produced by photolectrons
  • · Replies 11 ·
Replies
11
Views
2K
How to calculate the current of a stream of electrons
  • · Replies 2 ·
Replies
2
Views
2K
When current flow reach indeterminate form
  • · Replies 3 ·
Replies
3
Views
1K
Nature of charge at the junction of a composite wire
  • · Replies 12 ·
Replies
12
Views
2K
Total Particle Energy Flux in Auroral Arcs
  • · Replies 3 ·
Replies
3
Views
1K
In which direction does the current flow?
  • · Replies 5 ·
Replies
5
Views
2K
Correct graph of current vs voltage (photoelectric emission)
  • · Replies 4 ·
Replies
4
Views
2K
How Does Current Direction and Charge Flow in a Solenoid-Wire System?
  • · Replies 4 ·
Replies
4
Views
2K
Current flowing in a branch in a circuit
  • · Replies 13 ·
Replies
13
Views
2K