Contents

Electromagnetic Theory
Vector Analysis
Electrostatics
Magnetostatics
Maxwell Equations
Wave Propagation
Transmission Lines
Antennas
Other Topics
Other Subjects
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Magnetic Field of Circular Loop

Field on axis, magnetic moment m = NIA.

Mohith N
Updated: 19 March 2026
5 min read

Circular Loop Field

Test your grasp of axial magnetic fields and magnetic moment for current-carrying loops.

Question 1 of 3

Q1.A circular loop of radius a carries current I. At the center of the loop (z = 0 on the axis), the magnetic field intensity H is: