ELECTRICITY AND MAGNETISM - MAGNETIC FIELDS AND FORCES - FORCE ON MOVING CHARGES NC State University Faculty Access

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Crookes Tube
# 5H30.15


Description: An electron Beam passes through a slit and makes a green line on the fluorescent screen. Bring a magnet close to show deflection. The room must be very dark for the class to see this.

Purchased/Built: purchased

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 20-03 A thin electron beam made visible by a fluorescent screen is bent when a magnet is brought near.
Sutton A-71 A thin beam along a fluorescent screen is bent by a magnet or charged rod.
Freier and Anderson Ep-8 An electron beam hitting a fluorescent screen in a tube is bent by a magnet.

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