15 Questions
Which part of the Helmholtz Layers consists of dehydrated ions that are completely immobilized?
Inner Helmholtz Layer
What is the term Ψ in the context of Solid-Liquid Interface?
Electrical double layer potential
What type of ions are present in the Outer Helmholtz Layer?
Hydrated ions
What aspect is NOT included in the Helmholtz Theory?
Diffusion effects
What is the formula for the areal capacity CH of the Helmholtz layer?
CH = εε0d
In the context of Helmholtz theory, what does the dielectric constant ε represent?
Dielectric constant of vacuum
For which type of electrolytes is the theory of Helmholtz layers applicable?
Highly concentrated
What is the significance of the distance 'd' in the Helmholtz layer formula CH = εε0d?
It is the distance from the electrode to the outer place of dissolved ions
What parameter is indicated by the width dHelmholtz = 0.2 nm in the example given?
Thickness of a monolayer
Which layer in the Electrical Double Layer (EDL) model consists of immobile charged ions strongly bonded to the surface?
Helmholtz layer
What is the primary driving force behind electroosmotic flow in microfluidic systems?
External electric field
In the context of the solid-liquid interface, what does the $\zeta$-potential represent?
The potential at the slipping plane
Which of the following factors does NOT influence the $\zeta$-potential at the solid-liquid interface?
Atmospheric pressure
In the Gouy-Chapman-Stern model of the EDL, which region represents the diffuse layer of mobile ions?
Gouy-Chapman layer
What is the primary advantage of electroosmotic flow in microfluidic systems compared to pressure-driven flow?
Plug-like velocity profile
Test your knowledge on concepts related to the Helmholtz-Theory and Rigid Double Layer in the context of Electrical Engineering. Questions cover topics such as charge compensation, fixed charges, linear change of potential, and the Poisson equation.
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