Propagating
Charged Cross
axial B-Field
Electron Optics
Setup
Influence of
V
a
Analysis
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Propagating
Setup
Influence of
V
a
Analysis
Charged Cross
axial B-Field
Electron Optics
controls
Acceleration Voltage
V
a
0 kV
Task:
Decide with the experiment which effects modifying the acceleration voltage
V
a
cause on the "shadow" of the cross visible at the screen.
Answer A
Answer B
Answer C
Rising
V
a
makes the cross smaller.
makes the cross bigger.
does not effect the size.
Rising
V
a
makes the screen brighter.
makes the screen darker.
does not effect the brightness.
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