Living Physics Portal: Living Physics 13 - Electricity and the electric field

Abstract: In this chapter, we carefully introduce the challenging but critical concepts of electric field and electric potential, building conceptual as well as mathematical understanding. We treat capacitance carefully since it is a topic essential for understanding electrical energy balances in cells, especially neural models. At the end of the chapter, we introduce the important phenomenon of entropic forces, discussing how thermal effects can balance electric forces in ionic fluids as in the examples of charge shielding and the Nernst potential.

Resource Types: Student reading, Instructor supplement, Restricted access

Remote Learning Ready: This resource has been designed or adapted for use in remote learning.

Commercially available in:

TopHat

Authors:

Edward Redish (he/him)

University of Maryland, College Park

Ginny Redish

Self

NEXUS Physics

Living Physics Portal Team

TOPICS

Physics Topics:

Electricity & Magnetism > Capacitance > Dielectric

Electricity & Magnetism > Electric Fields and Potential > Electric Field, Electrostatic Potential and Potential Energy

Life Sciences Topics:

Human and Animal Physiology > Neurophysiology

Molecular and Cellular Biology

Chemistry Topics:

None

Math Topics:

Algebra; Differential Calculus; Exponentials and Logarithms; Geometry; Graphical Analysis; Probability

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Living Physics - Vol. 2 > Living Physics 13 - Electricity and the electric field

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License: CC BY-NC-SA - Attribution, No Commercial uses and Share Alike. Derivative works must have the same license.

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