Determining Specific Charge of Electron Advanced Model

The Electron Charge-to-Mass Ratio (e/m) Experiment Apparatus is designed to accurately determine the specific charge of an electron and demonstrate the behavior of electron beams in both electric and magnetic fields. The apparatus also enables measurement of the geomagnetic component, making it a versatile instrument for advanced physics education. With its enhanced design and improved precision, the apparatus provides students with practical experience in studying electron dynamics, electromagnetic interactions, and fundamental principles of modern physics. It is ideally suited for physics laboratories in colleges, universities, and research institutions. The system incorporates multiple digital displays for independent voltage monitoring and is housed in a durable enclosure for convenient operation and maintenance. Advanced focusing capabilities allow clear observation of electron beam motion and spiral trajectories. Physics Lab Experiments from Atico Exports.

Determine the Electron Charge-to-Mass Ratio (e/m):

• Measure the specific charge of an electron
• Verify the polar coordinate equation of electron spiral motion

Measure the Geomagnetic Component:

• Perform experiments related to Earth's magnetic field
• Determine the geomagnetic component using electron beam deflection methods

Study Electron Motion in Electric and Magnetic Fields:

Electrical Deflection:

• Electron Beam in a Transverse Electric Field

Electrical Focusing:

• Electron Beam in a Longitudinal Electric Field

Magnetic Deflection:

• Electron Beam in a Transverse Magnetic Field

Magnetic Focusing:

• Electron Spiral Motion in a Longitudinal Magnetic Field

Filament:

• 6.3 VAC
• 0.15 A

High Voltage (UA2):

• 600 – 1000 V

Deflecting Voltage:

• -55 V to +55 V

Grid Voltage (UA1):

• 0 – 240 V

Control Grid Voltage (UG):

• 0 – 50 V

Magnetization Current:

• 0 – 2.4 A

Digital Meters:

• 3½ Digits

Electrical Deflection Sensitivity:

• Y: ≥ 0.38 mm/V
• X: ≥ 0.25 mm/V

Magnetic Deflection Sensitivity:

• Y: ≥ 0.08 mm/mA

e/m Measurement Error:

• ≤ 5.0%

Solenoid Parameters:

Longitudinal Coil:

• Length: 205 mm
• Inner Diameter: 90 mm
• Outer Diameter: 95 mm
• Turns: 1160

Transverse Coil:

• Length: 20 mm
• Inner Diameter: 60 mm
• Outer Diameter: 65 mm
• Turns: 380

Parts List:

Main Unit:

• Quantity: 1

CRT Tube:

• Quantity: 1

Long Coil (Solenoid Coil):

• Quantity: 1

Small Coil (Deflection Coil):

• Quantity: 2

Division Screen:

• Quantity: 1

Cables:

• Quantity: 2

Instruction Manual:

• Quantity: 1

• Three independent digital voltmeters for simultaneous voltage monitoring
• Durable enclosed construction for easy maintenance and transportation
• Multiple electron beam focusing stages for enhanced observation accuracy
• Suitable for advanced demonstrations of electron motion in electromagnetic fields
• Complete Experimental Setup
• Compact, Stable, and Economical Design
• Demonstrates Electron Motion in Electric and Magnetic Fields
• Measures Electron Charge-to-Mass Ratio (e/m)
• Suitable for Geomagnetic Component Measurement
• Independent Digital Voltage Displays for Accurate Readings