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Everything about Capacitance

Ability of a body to store an electrical charge

Capacitance is the ability of an object to store electric charge. It is measured by the change in charge in response to a difference in electric potential, expressed as the ratio of those quantities. Commonly recognized are two closely related notions of capacitance: self-capacitance and mutual capacitance. An object that can be electrically charged exhibits self-capacitance, for which the electric potential is measured between the object and ground. Mutual capacitance is measured between two components, and is particularly important in the operation of the capacitor, an elementary linear electronic component designed to add capacitance to an electric circuit. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: CapacitanceA 5-minute orientation
  2. Skim a recent paper: Understanding the Electric Double-Layer Structure, Capacitance, and Charging DynamicsInfluential work since 2022
  3. Pick up a classic book: Airport slotsThe most-reprinted book on the subject
  4. Read the landmark paper: Conductive two-dimensional titanium carbide ‘clay’ with high volumetric capacitanceCited 5,996 times
  5. Go sideways: CapacitorA closely related topic
  6. Go sideways: Capacitor typesA closely related topic

📖 Definitions

Noun The property of an electric circuit or its element that permits it to store charge, defined as the ratio of stored charge to potential over that element or circuit (Q/V); SI unit: farad (F).

Noun An element of an electrical circuit exhibiting capacitance.

🗂️ The subject at a glance

  1. Self-capacitance
  2. Mutual capacitance
  3. Capacitors
  4. Stray capacitance
  5. Capacitance of conductors with simple shapes
  6. Energy storage
  7. Nanoscale systems
  8. Capacitance in electronic and semiconductor devices
  9. Negative capacitance in semiconductor devices
  10. Measuring capacitance

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics