Magnetoresistive Effect Experimental Apparatus for Electromagnetism Physics Lab

This Magnetoresistive Effect Experimental Apparatus for Electromagnetism Physics Lab is designed for studying the magnetoresistive effect and the operating characteristics of semiconductor magnetoresistance sensors. The system utilizes an InSb magnetoresistance sensor together with a Hall-effect magnetic field measurement system to investigate how electrical resistance varies with magnetic field intensity. It provides a practical platform for exploring magnetic sensing technologies, weak magnetic field measurements, dynamic magnetoresistance phenomena, and modern sensor applications in instrumentation and automation.

Physics Lab Experiments from Atico Exports.

Experimental Principle and Content

• Study the Magnetoresistive Effect in Semiconductor Materials
• Investigate the Relationship Between Magnetic Field Intensity and Sensor Resistance
• Determine the Empirical Relationship Between Resistance and Magnetic Field Strength
• Plot Resistance Versus Magnetic Field Intensity Characteristics
• Measure Magnetic Field Intensity Using a Hall Sensor
• Analyze the Sensitivity of a Magnetoresistance Sensor
• Study AC Characteristics of the Magnetoresistance Sensor
• Observe and Investigate the Frequency-Doubling Effect in Weak Magnetic Fields

Educational Objectives

• Understand the Principles of Magnetoresistance Sensing
• Learn the Operation of Semiconductor Magnetic Field Sensors
• Study the Influence of Magnetic Fields on Electrical Resistance
• Investigate Magnetic Field Measurement Techniques
• Develop Practical Skills in Sensor Characterization and Data Analysis
• Explore Applications of Magnetoresistance Technology in Modern Instrumentation

Magnetoresistance Sensor Power Supply :

• Adjustable Current Range: 0–3 mA

Digital Voltmeter :

• Measuring Range: 0–1.999 V
• Resolution: 1 mV

Digital Milli-Teslameter :

• Measuring Range: 0–199.9 mT
• Resolution: 0.1 mT

Magnetoresistance Sensor :

• InSb Semiconductor Magnetoresistance Element
• High Sensitivity to Magnetic Fields

Magnetic Field Measurement System :

• GaAs Hall Sensor
• Suitable for Weak Magnetic Field Measurements

Standard Supply

• Main Experimental Unit × 1
• InSb Magnetoresistance Sensor × 1
• GaAs Hall Sensor × 1
• Adjustable Sensor Power Supply × 1
• Digital Voltmeter × 1
• Digital Milli-Teslameter × 1
• Connection Wires × 1 Set
• Instruction Manual × 1

• Simple and Reliable Design
• Comprehensive Experimental Content
• Cost-Effective Educational Solution
• Stable and Accurate Measurements