How Does a Dual Ring Charge Configuration Affect Electric Potential?

Click For Summary
The discussion focuses on calculating the electric potential at a distance x above the center of a dual ring charge configuration, consisting of a positively charged ring Q with radius R and a negatively charged ring -Q with radius 2R. The relevant equation for electric potential, V = kQ/sqrt(a^2+x^2), applies to individual rings, prompting questions about how the presence of the second ring influences the overall potential. Participants are seeking clarification on whether the second ring alters the calculations for the first. The conversation emphasizes the need for understanding the superposition principle in electric potential due to multiple charge distributions. Overall, the interaction highlights the complexities of combining electric potentials from different charge configurations.
tag16
Messages
95
Reaction score
0

Homework Statement


what is the electric potential a distance x above the center of a ring of charge Q with a radius R surrounded by another ring of charge -Q with a radius 2R?


Homework Equations



V= kQ/sqr root(a^2+x^2)

The Attempt at a Solution



I know the above equation would be used for for one ring but would the second ring in this problem effect this equation?
 
Physics news on Phys.org
anyone? I could really use some help on this one and thanks in advance to anyone who can help!
 

Thread 'Magnitude of buoyant force in fluids of different densities'

The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?
View full post »

Similar threads

How Is the Electric Field Calculated for a Point Outside a Charged Ring?
  • · Replies 11 ·
Replies
11
Views
3K
What's wrong? Electric potential of a point on a ring
  • · Replies 10 ·
Replies
10
Views
2K
Why is electric field at the center of a charged disk not zero?
  • · Replies 4 ·
Replies
4
Views
3K
Electric Potential Energy of Point Charge Systems
  • · Replies 2 ·
Replies
2
Views
1K
Electric field of concentric rings
  • · Replies 2 ·
Replies
2
Views
4K
Derivation of electric potential charged disk from ring
  • · Replies 6 ·
Replies
6
Views
2K
How to Apply Derivatives in Physics Problems?
  • · Replies 9 ·
Replies
9
Views
1K
Electric potential of nested spherical shells
  • · Replies 4 ·
Replies
4
Views
970
Calculating Electric Potential for a Non-Negligible Thickness Toroid
  • · Replies 4 ·
Replies
4
Views
2K
Potential and Electric Field near a Charged CD Disk
  • · Replies 2 ·
Replies
2
Views
2K