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Cathode Ray Tube




Crookes tube, with fluorescent screen

Induction coil

Powerstat power supply

Hook-up wires: one red alligator-alligator, one black alligator-alligator




Connect induction coil to Powerstat.

Connect hook-up wires from induction coil to Crookes tube.

Turn up power on variac until you can  see a clearly defined line across screen.

Without touching the Crooke's tube bring the magnet up so that the rays are bent


To schedule a demonstration, please send an email to the demonstration lab.



Eric Camp

Lecture Demonstration Technician

Bagley Hall 171

(206) 543-1606


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