Electric field intensity on thin electric sheets

Click For Summary
SUMMARY

The discussion focuses on calculating electric field intensity from multiple thin electric sheets, specifically addressing the equation E=1/2ε. Participants clarify that each sheet of charge contributes to the overall electric field, and the total field is the sum of contributions from each sheet. The concept of parallel plate capacitors is relevant in this context, as it aids in understanding the electric field produced by charged sheets. The discussion emphasizes the importance of recognizing the individual contributions of each sheet to accurately determine the resultant electric field.

PREREQUISITES
  • Understanding of electric fields and charge distributions
  • Familiarity with the equation E=1/2ε
  • Knowledge of parallel plate capacitor theory
  • Basic principles of superposition in electric fields
NEXT STEPS
  • Study the derivation of the electric field from a sheet of charge
  • Learn about the superposition principle in electrostatics
  • Explore the concept of parallel plate capacitors in detail
  • Investigate the effects of multiple charged sheets on electric field intensity
USEFUL FOR

Students studying electromagnetism, physics educators, and anyone interested in understanding electric fields generated by charged sheets.

Cocoleia
Messages
293
Reaction score
4

Homework Statement


upload_2017-2-26_19-28-20.png


Homework Equations


The only equations I can think to use would be:
upload_2017-2-26_19-29-41.png

upload_2017-2-26_19-30-4.png

upload_2017-2-26_19-30-31.png

But I'm not sure if they are useful or how they will help.

The Attempt at a Solution


I have the solution, it just isn't detailed...
upload_2017-2-26_19-26-45.png

I don't understand where they get E=1/2ε. Should I be considering these as parallel plate capacitors?
 
Physics news on Phys.org
Cocoleia said:
I don't understand where they get E=1/2ε. Should I be considering these as parallel plate capacitors?
There are three sheets of charge. Each produces a field. To find the field at any point, add up the contributions from each sheet.

What's the field from a sheet of charge? See this: Electric Field: Sheet of Charge
 

Similar threads

I Thought I Understood Gauss' Law (Sheets)
  • · Replies 26 ·
Replies
26
Views
3K
Two different dielectrics between parallel-plate capacitor
  • · Replies 6 ·
Replies
6
Views
2K
Why Does the Electric Field Sum Instead of Cancel with Opposite Charges?
  • · Replies 6 ·
Replies
6
Views
2K
Intensity and electric field amplitude
  • · Replies 7 ·
Replies
7
Views
3K
Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
  • · Replies 1 ·
Replies
1
Views
2K
Electric Field Inside Cylindrical Capacitor
  • · Replies 2 ·
Replies
2
Views
3K
Charge on inner/outer surfaces of two large parallel conducting plates
  • · Replies 11 ·
Replies
11
Views
4K
What Are the Assumptions and Calculations for Sheet of Charge Theory?
  • · Replies 1 ·
Replies
1
Views
1K
Understanding Electric Field of Positive & Negative Plates
  • · Replies 2 ·
Replies
2
Views
2K
Electric field between capacitor plates when a dielectric slab is inserted
  • · Replies 14 ·
Replies
14
Views
3K