Electric Potential: Help Solving 500nC & -600nC Charge Problem

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SUMMARY

The discussion focuses on calculating the energy released when bringing a charge of -600 nC from infinity to a distance of 1 mm from a fixed charge of 500 nC. The electric potential formula used is V = Q / (4πE₀R), where Q is the charge, E₀ is the permittivity of free space, and R is the distance from the charge. The key takeaway is that the potential energy can be calculated using the formula potential energy = qV, where q is the charge being moved and V is the electric potential created by the fixed charge. Understanding the distinction between electric potential and potential energy is crucial for solving such problems.

PREREQUISITES
  • Understanding of electric potential and potential energy concepts
  • Familiarity with the formula V = Q / (4πE₀R)
  • Basic knowledge of electrostatics and charge interactions
  • Ability to perform calculations involving nanocoulombs (nC) and millimeters (mm)
NEXT STEPS
  • Study the derivation and applications of the electric potential formula V = Q / (4πE₀R)
  • Learn about the relationship between electric potential and potential energy in electrostatics
  • Explore examples of calculating work done in electrostatic systems
  • Investigate the concept of electric field and its relation to electric potential
USEFUL FOR

Students and educators in physics, electrical engineers, and anyone interested in understanding electrostatics and charge interactions.

DR33
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Hi, I've tried this # for so long, and still, I can't figure it out. Here it is:

A charge of 500nC is situated at the origin. Determine the amount of energy released in bringing a charge of -600 nC from infinity to a ditance of 1mm from the fixed charge.

I've tried using in first place the electric potential formula: V = Q / 4(pi)EoR
but the thing that'S confusing me is that I have to different charges. Can Anyone help? Thank you
 
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Just use the potential for the first charge to get the work it does on the second charge. Since the first charge isn't moving, no work is being done on it.
 
potential energy = qV
V is the electric potential only...

you got to know the different between potential and energy...
 

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