Contents

Electromagnetic Theory
Vector Analysis
Electrostatics
Magnetostatics
Maxwell Equations
Wave Propagation
Transmission Lines
Antennas
Other Topics
Other Subjects
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9 of 15 articles

Potential and Field Relationship

E = -grad V, equipotential surfaces.

Mohith N
Updated: 19 March 2026
5 min read

Potential Field Relationship

Test your mastery of the gradient relationship between electric potential and field.

Question 1 of 3

Q1.Given V = 3x²y + z in Cartesian coordinates, the electric field E at point (1, 2, 0) is: