Flat coil in a plexiglas frame, mounted so that it can be rotated, for use in combination with 300 mm Helmholtz coils. When the flat coil is rotated in the magnetic field of the Helmholtz coils, an alternating voltage is induced. The electrical connection to the coil is established via sliding contacts. A hand crank and pulley on the rotary frame's axle are used to drive the coil.
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![Helmholtz Coils, 300 mm, 1000906 [U8481500], Induction](/thumblibrary/U8481500/U8481500_01_140_140_Helmholtz-Coils-300-mm.jpg)
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![Lorentz Motor, 1002662 [U10372], Conductors in Magnetic Fields](/thumblibrary/U10372/U10372_01_140_140_Lorentz-Motor.jpg)
![Lenz's Law Apparatus, 1009959 [U8556012], Induction](/thumblibrary/U8556012/U8556012_01_140_140_Lenzs-Law-Apparatus.jpg)
![Deflection Tube D, 1000651 [U19155], Electron Tubes D](/thumblibrary/U19155/U19155_01_140_140_Deflection-Tube-D.jpg)
![Force on a Conductor in a Magnetic Field, 1003251 [U30065], Magnetic Fields](/thumblibrary/U30065/U30065_01_140_140_Force-on-a-Conductor-in-a-Magnetic-Field.jpg)
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![Set of 10 Tracing Compasses, 1003095 [U19562], Magnetic Fields](/thumblibrary/U19562/U19562_01_140_140_Set-of-10-Tracing-Compasses.jpg)
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![Vibration generator -
for investigating oscillations and resonances, 1000701 [U56001], Oscillations](/thumblibrary/U56001/U56001_01_140_140_Vibration-generator-for-investigating-oscillations-and-resonances.jpg)