What Determines Q(free) in Dielectrics?

  • Context: Graduate 
  • Thread starter Thread starter coochnpoon
  • Start date Start date
  • Tags Tags
    Dielectrics
Click For Summary
SUMMARY

Q(free) in dielectrics refers to the charge on the capacitor plates, which is supplied by the circuit connected to the capacitor. This concept is crucial when calculating Q(bound), as it directly influences the electric potential within the dielectric material. The discussion clarifies that Q(free) is independent of the dielectric material itself and is determined solely by the circuit configuration.

PREREQUISITES
  • Understanding of electric potentials in dielectrics
  • Familiarity with capacitor theory and operation
  • Knowledge of charge distribution in electrical circuits
  • Basic principles of electrostatics
NEXT STEPS
  • Research the relationship between Q(free) and Q(bound) in dielectric materials
  • Study the role of dielectrics in capacitor performance
  • Explore circuit configurations affecting charge distribution
  • Learn about electric field calculations in dielectrics
USEFUL FOR

Students and professionals in electrical engineering, physicists studying electrostatics, and anyone interested in the behavior of dielectrics in capacitors.

coochnpoon
Messages
1
Reaction score
0
Hi.

The chapter is electric potentials.

In dielectrics, when solving for Q(bound), Q(free) is required.

What is Q(free)?

Is it Q with OR without the dielectric factored in? Or is C(knot) alone?

Joben.
 
Physics news on Phys.org


For a dielectric in a capacitor, Q_{free} is the charge on the capacitor plates themselves, supplied by the circuit that the capacitor is part of.
 

Similar threads

  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 2 ·
Replies
2
Views
1K
  • · Replies 3 ·
Replies
3
Views
1K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 6 ·
Replies
6
Views
1K
  • · Replies 11 ·
Replies
11
Views
2K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K