Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Equivalent Capacitance01:19

Equivalent Capacitance

2.4K
Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
The following strategies are adopted to calculate...
2.4K
Equivalent Capacitance01:19

Equivalent Capacitance

874
From the study of resistive circuits, it is understood that employing a series-parallel combination serves as an effective strategy for simplifying circuits. Capacitors can be arranged within a circuit in one of two ways: a series configuration or a parallel configuration. The way these capacitors are connected to a battery will influence both the potential drop across each individual capacitor and the size of the charge that each capacitor can store. This is determined by the specific type of...
874
Capacitance: Single-Phase And Three-Phase Line01:25

Capacitance: Single-Phase And Three-Phase Line

755
In electrical power systems, understanding the capacitance of transmission lines is fundamental for efficient operation.
Single-Phase Lines
Consider a single-phase, two-wire transmission line with equal phase spacing energized by a voltage source. One conductor carries a uniform positive charge, while the other carries an equal negative charge. The capacitance C of the line can be derived from the voltage V between the conductors. For a one-meter section of the line, the capacitance is given...
755
Capacitors01:15

Capacitors

1.3K
Capacitors play a crucial role in car radios, where they filter and store frequencies to ensure clear signal reception. Essentially serving as energy storage devices, capacitors store energy within their electric field and are composed of two parallel conducting plates separated by a dielectric.
When a voltage source is connected to a capacitor, positive and negative charges accumulate on the opposite plates. This accumulation generates a potential difference that equals the product of the...
1.3K
Dielectric Polarization in a Capacitor01:31

Dielectric Polarization in a Capacitor

6.7K
The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
6.7K
Capacitor With A Dielectric01:18

Capacitor With A Dielectric

5.5K
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
5.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Revisiting the exclusion principle in epidemiology at the limit of a large competitive advantage.

Journal of theoretical biology·2025
Same author

Modeling the structure and relaxation in glycerol-silica nanocomposites.

Soft matter·2024
Same author

Optimal vaccination at high reproductive numbers: sharp transitions and counterintuitive allocations.

Proceedings. Biological sciences·2022
Same author

Population-level implications of the Israeli booster campaign to curtail COVID-19 resurgence.

Science translational medicine·2022
Same author

The role of childrens' vaccination for COVID-19-Pareto-optimal allocations of vaccines.

PLoS computational biology·2022
Same author

Asymptotic Behaviour of Time Stepping Methods for Phase Field Models.

Journal of scientific computing·2021
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Related Experiment Video

Updated: Apr 5, 2026

Scanning-probe Single-electron Capacitance Spectroscopy
10:53

Scanning-probe Single-electron Capacitance Spectroscopy

Published on: July 30, 2013

13.5K

Systematic interpretation of differential capacitance data.

Nir Gavish1, Keith Promislow2

  • 1Department of Mathematics, Technion - Israeli Institute of Technology, Haifa 3200003, Israel.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|August 15, 2015
PubMed
Summary
This summary is machine-generated.

Differential capacitance (DC) data cannot distinguish between various electrolyte models due to finite-volume effects. Supplementing DC data with excess chemical potential measurements uniquely identifies the free energy of electrolyte systems.

More Related Videos

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
12:00

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

15.5K
Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
07:44

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy

Published on: April 27, 2016

10.2K

Related Experiment Videos

Last Updated: Apr 5, 2026

Scanning-probe Single-electron Capacitance Spectroscopy
10:53

Scanning-probe Single-electron Capacitance Spectroscopy

Published on: July 30, 2013

13.5K
Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
12:00

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

15.5K
Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
07:44

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy

Published on: April 27, 2016

10.2K

Area of Science:

  • Physical Chemistry
  • Electrochemistry
  • Materials Science

Background:

  • Differential capacitance (DC) data are crucial for understanding electrolyte structure at charged interfaces.
  • Existing models of electrolyte free energy often incorporate finite-volume effects.
  • Experimental validation of these models relies heavily on DC measurements.

Purpose of the Study:

  • To identify limitations in differentiating electrolyte models using only DC data.
  • To explore the equivalence classes of nonideality terms and boundary layer structures indistinguishable by DC measurements.
  • To determine conditions under which electrolyte free energy can be uniquely identified.

Main Methods:

  • Analysis of a large class of electrolyte free energy models with finite-volume effects.
  • Mathematical reduction to identify models yielding identical DC data.
  • Investigation of conditions for capacitor width relative to Debye length and algebraic finite-volume terms.

Main Results:

  • A reduction in electrolyte free energy models was identified, leading to equivalence classes indistinguishable by DC data.
  • For binary salts, DC data alone cannot differentiate models with charge asymmetry, charge reversal, or ion crowding.
  • The free energy is uniquely identified if DC data are combined with excess chemical potential measurements.

Conclusions:

  • Differential capacitance data alone are insufficient to distinguish between several complex electrolyte models.
  • The study highlights the inherent ambiguities in interpreting DC data for certain electrolyte systems.
  • Supplementing DC measurements with bulk thermodynamic data offers a pathway to unique model identification.