The objective of this experiment is to use the oscillation of magnets in order to determine the earth’s magnetic field B. When we suspend magnets vertically pressing upon a wire, allow these to align in the north-south direction, and then slightly nudge these magnets, they will start oscillating in a horizontal plane. In fact, the magnets twist due to the torque exerted by the earths magnetic field.
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Further Readings and References
- The Magnetic Torque Oscillator and the Magnetic Piston Physics Teacher , M. Connors and F. Al-Shamali , 45 440 , (2007).