Electric charge in parallel plate capacitor with 2 parallel dielectrics

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SUMMARY

The discussion centers on the behavior of electric charge in a parallel plate capacitor that incorporates two parallel dielectrics, each occupying half of the surface area (A/2). The total electric charge (qtotal) is expressed as the sum of the charges in each dielectric, represented by the equation qtotal = q1 + q2 = σ1*A/2 + σ2*A/2. The conversation also touches on the neutrality of dielectrics and the need to clarify whether the configuration consists of two capacitors side by side or stacked dielectrics between capacitor plates.

PREREQUISITES
  • Understanding of parallel plate capacitors
  • Knowledge of dielectric materials and their properties
  • Familiarity with electric charge and surface charge density (σ)
  • Basic grasp of capacitor equations, specifically Ctotal = C1 + C2
NEXT STEPS
  • Research the effects of dielectric materials on capacitance in parallel plate capacitors
  • Study the concept of electric field distribution in capacitors with multiple dielectrics
  • Explore the mathematical derivation of charge distribution in capacitors
  • Learn about the implications of dielectric neutrality in capacitor design
USEFUL FOR

Students studying electromagnetism, electrical engineers, and anyone involved in capacitor design and analysis, particularly in configurations with multiple dielectrics.

AndrejN96
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Homework Statement


My question is: If we have a parallel plate capacitor with 2 parallel dielectrics both taking A/2 of the complete surface, is the total electric charge equal to sum of the electrical charges in the first dielectric and the second dielectric, i.e is qtotal=q1+q21*A/2+σ2*A/2?

Homework Equations


Ctotal=C1+C2

The Attempt at a Solution

 
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Aren't dielectrics supposed to be neutral ?
Try to find something the two halves have in common.
Re problem statement: what are parallel dielectrics in this context? Are there two capacitors side by side or is there a stack of two dielectris between two capacitor plates ?

Re equations: Try to find something the two halves have in common and find equations that involve it
And please fill in the attempt at solution. We aren't allowed to assist otherwise. See PF guidelines
 

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