Charge on capacitors in a circuit?

Click For Summary
SUMMARY

The discussion focuses on calculating the charge on capacitors in a circuit with a voltage of +28V and individual capacitance of 4.00µF. The recommended approach is to first determine the equivalent capacitance of the circuit, similar to analyzing a resistor network. Once the equivalent capacitance is found, the total charge can be calculated, followed by a stepwise return to the original circuit to ascertain the charge and voltage across each capacitor. The principles governing series and parallel configurations are applicable in this analysis.

PREREQUISITES
  • Understanding of capacitor configurations (series and parallel)
  • Familiarity with the formula for capacitance: C = Q/V
  • Knowledge of equivalent capacitance calculations
  • Basic circuit analysis techniques
NEXT STEPS
  • Study the calculation of equivalent capacitance in series and parallel circuits
  • Learn about the relationship between charge, voltage, and capacitance
  • Explore advanced circuit analysis techniques using Kirchhoff's laws
  • Investigate practical applications of capacitors in electronic circuits
USEFUL FOR

Electrical engineers, electronics students, and hobbyists interested in circuit design and analysis, particularly those working with capacitors.

KingNothing
Messages
880
Reaction score
4
The voltage from point a to point b is +28V.
Each capacitor has a capacitance of 4.00uF (microfarads)

What is the best way to calculate the charge on each capacitor?
 

Attachments

  • capacitors.jpg
    capacitors.jpg
    3.6 KB · Views: 496
Physics news on Phys.org
Work like how you would for a resistor network. Find the equivalent capacitance then you can find the total charge. Then work your way back to the original circuit one step at a time, while finding the charge and voltage in each step. Its like working backwards from the equivalent capacitance to the original circuit. Remember the same rules that apply for series and parallel networks (in terms of voltage and current or charge in this case) will work here.
 

Similar threads

Why Do Capacitors Behave Differently in Series and Parallel Configurations?
  • · Replies 20 ·
Replies
20
Views
2K
Final Charge of a Capacitor in a Circuit with Capacitors and Resistors
  • · Replies 9 ·
Replies
9
Views
3K
Ranking charge stored on three capacitors by a battery
  • · Replies 6 ·
Replies
6
Views
3K
Capacitor Circuit Analysis: How to Find Voltage Across Resistors
  • · Replies 15 ·
Replies
15
Views
2K
Why can we model spherical capacitor with two dielectrics as two capacitors in series?
  • · Replies 4 ·
Replies
4
Views
2K
Capacitance of a parallel plate capacitor with a metal plate kept inside
  • · Replies 11 ·
Replies
11
Views
3K
Charge upon a parallel plate capacitor
  • · Replies 18 ·
Replies
18
Views
3K
Capacitor Questions Charging and Discharging
  • · Replies 4 ·
Replies
4
Views
4K
Determining Inductance L in an LC Circuit
  • · Replies 5 ·
Replies
5
Views
2K
LC oscillations - two capacitors and an inductor
  • · Replies 15 ·
Replies
15
Views
1K