LB-EB3 Electron Specific Charge Apparatus
The LB-EB3 Electron Specific Charge Apparatus integrates multiple experiments related to electron motion and measures the charge-to-mass ratio on this basis.
Description
The LB-EB3 Electron Specific Charge Apparatus integrates multiple experiments related to electron motion and measures the charge-to-mass ratio on this basis.
3 or More Electron Beam Focusing
More than 3 times of electron beam focusing can be observed on the oscilloscope tube, that is, the electron spiral motion is ≥ 7π.
Modular and Easy to Connect
Adopting modular structure design, corresponding units can be connected into the required experimental circuit according to different experimental requirements.
Four Major Experiment Items
1.Quantitative measurement of the motion law of electrons in electric and magnetic fields: (1) Electric Deflection - Electron + Transverse Electric Field; (2) Electric Focusing - Electron + Longitudinal Electric Field; (3) Magnetic Deflection - Electron + Transverse Magnetic Field; (4) Helical Motion Magnetic Focusing - Electron + Longitudinal Magnetic Field 2. Measure the electron charge-to-mass ratio and verify the polar coordinate equation of electron helical motion. 3. Measure the components of the geomagnetic field. 4. Verify the electron lens equation (Optional Experiment).
Key Parameters
|
Parameter |
Value |
|
Earth's Field Measurement Error |
≤1% |
|
Charge-to-Mass Ratio Error |
≤3% |
|
Number of Focuses on Tube |
≥3 |
|
Max Acceleration Voltage |
1000 V |
|
Electric Deflection Sensitivity Y |
≥0.38 mm/V |
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