To measure the magnetic field strength (B) produced by a circular Helmholtz coil arrangement.
To study the variation of magnetic field intensity at different positions along the coil axis.
To determine the magnetic field gradient (dB/dX) and analyze the uniform field region between the coils.
To gain practical understanding of magnetic field distribution generated by current-carrying coils.
Experimental Setup
The complete setup consists of:
Helmholtz Coil Assembly with coils of different turn configurations for studying magnetic field characteristics.
IC-Regulated DC Power Supply with adjustable output of 0–30 V and 0–5 A, equipped with digital voltage and current displays.
Digital Gauss Meter for accurate magnetic field measurement.
Special InAs (Indium Arsenide) Gauss Probe for high-sensitivity magnetic field detection.
Probe Stand for precise positioning and alignment of the magnetic field sensor.
Connecting Wires for electrical connections.
Optical Rail Arrangement with Clamping Device to facilitate smooth movement of the probe and detailed study of magnetic field variation along and between the coils.
Description
This experimental setup is designed to investigate the magnetic field produced by a pair of circular Helmholtz coils. By supplying controlled current to the coils and measuring the resulting magnetic field using a digital gauss meter, students can observe the formation of a nearly uniform magnetic field in the central region between the coils.
The movable InAs magnetic field probe mounted on the optical rail allows precise measurement of field strength at various positions, enabling the determination of the magnetic field gradient (dB/dX). The apparatus provides valuable insight into electromagnetic field distribution, superposition of magnetic fields, and the principles underlying Helmholtz coil design.
The setup is ideally suited for physics laboratories, engineering institutions, and research facilities for experiments related to electromagnetism, magnetic field mapping, and advanced measurement techniques.
