Solving Capacitor Problem - Find q1

  • Thread starter Thread starter Tcat
  • Start date Start date
  • Tags Tags
    Capacitor
Click For Summary
SUMMARY

The discussion centers on calculating the charge q1 on capacitor C1 in a circuit where capacitors C1 and C2 are in parallel and combined in series with capacitor C3. The initial formula proposed, q1 = V_ab*((C3*C1*C2)/(C3 + C2 + C1)), is incorrect due to a miscalculation of the equivalent capacitance. Participants emphasize the importance of ensuring dimensional consistency in formulas when dealing with capacitors in series and parallel configurations.

PREREQUISITES
  • Understanding of capacitor configurations (series and parallel)
  • Knowledge of equivalent capacitance calculations
  • Familiarity with electrical potential (voltage) concepts
  • Basic principles of charge (q) in capacitive circuits
NEXT STEPS
  • Review the formula for equivalent capacitance in series and parallel configurations
  • Study the relationship between charge, voltage, and capacitance (Q = CV)
  • Learn about dimensional analysis in electrical formulas
  • Explore practical examples of capacitor circuits and their charge calculations
USEFUL FOR

Electrical engineering students, circuit designers, and anyone involved in analyzing or designing capacitor networks in electronic circuits.

Tcat
Messages
28
Reaction score
0
Capacitor Problem!

Hi I have a problem where the applied potential is V_ab, Capacitors C1 and C2 are in parallel, and the combination is in series with C3. Now I'm trying to find the charge q1 on the capacitor C1. I thought that q1 = V_ab*((C3*C1*C2)/(C3 + C2+ C1)), but it is wrong. Can someone help me out? Thank-you so much!
 
Physics news on Phys.org
In very first look it appears that you have calculated equivalent capacitance wrongly because the expression is dimensionally(units) incorrect.
 

Similar threads

Calculating the voltage across capacitors and resistors with switches
  • · Replies 2 ·
Replies
2
Views
1K
Two-layer dielectric, four-capacitor model vs three-capacitor model
  • · Replies 5 ·
Replies
5
Views
2K
LC oscillations - two capacitors and an inductor
  • · Replies 15 ·
Replies
15
Views
1K
Capacitors in Series and Parallel
  • · Replies 1 ·
Replies
1
Views
4K
Capacitor in series voltage problem
  • · Replies 19 ·
Replies
19
Views
3K
Non-Complex Capacitor Potential Difference question
  • · Replies 9 ·
Replies
9
Views
2K
Energy stored in Capacitor Network
  • · Replies 2 ·
Replies
2
Views
14K
Capacitors charged in parallel
  • · Replies 3 ·
Replies
3
Views
2K
Find the maximum potential difference across a series circuit
  • · Replies 11 ·
Replies
11
Views
5K
Struggling to find the equivalent capacitance of this circuit
  • · Replies 11 ·
Replies
11
Views
3K