Some help with electrostatics, please

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SUMMARY

This discussion focuses on calculating the electric force between two uniform line charges positioned on a single axis. The formula provided for this calculation is F = k * (Q1 * Q2) / d, where F represents the electric force, k is Coulomb's constant (9 x 10^9 Nm²/C²), Q1 and Q2 are the magnitudes of the line charges, and d is the distance between them. Participants emphasize the importance of calculating the electric field for one line charge and finding the total charge on the other. Additionally, considerations for infinite line charges are noted as a potential complication.

PREREQUISITES
  • Understanding of Coulomb's Law
  • Familiarity with electric fields and line charges
  • Basic knowledge of electrostatics
  • Ability to perform algebraic calculations
NEXT STEPS
  • Research the concept of electric fields generated by line charges
  • Study examples of electrostatic force calculations
  • Explore the implications of infinite line charges in electrostatics
  • Review textbooks or online resources for practice problems on line charge interactions
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Students studying physics, particularly those focusing on electrostatics, as well as educators and anyone seeking to deepen their understanding of electric forces between line charges.

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I'm trying to calculate the electric force between two uniform line charges on a single axis; does anyone have any sample solutions?
 
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banda said:
I'm trying to calculate the electric force between two uniform line charges on a single axis; does anyone have any sample solutions?

calculate the E-field for one of the line charges. find out the total charge on the other. then you are practically there.

rinse, repeat for the other line of charges.


although there will be a problem if the line charges are infinite in length...
 


Sure, I can help with electrostatics. To calculate the electric force between two uniform line charges on a single axis, you can use the following formula:

F = k * (Q1 * Q2) / d

Where F is the electric force, k is the Coulomb's constant (9 x 10^9 Nm^2/C^2), Q1 and Q2 are the magnitudes of the two line charges, and d is the distance between them.

To find sample solutions, you can try searching online for examples or practice problems. You can also check your textbook or lecture notes for similar problems. If you need further assistance, don't hesitate to ask for clarification or additional help. Good luck!
 

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