Magnetically Coupled Oscillators and a Smartphone

• Praveen Pathak ^[1] ; Yogita Patel ^[1] ; Rishi Raj ^[2]
  1. [1] Homi Bhabha Centre for Science Education–Tata Institute of Fundamental Research, Mumbai, India
  2. [2] Indian Institute of Technology Madras, Chennai, India
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 62, Nº. 6, 2024, págs. 463-467
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Experimental and theoretical aspects of a magnetically coupled oscillator with two swinging magnets are probed. The setup is easy to assemble and designed in such a way that the oscillations persist for a very long time. A smartphone magnetometer is used to measure the dipole moment of the magnet and to record the period of the oscillations. This appeals to the visualization of the oscillations and makes the setup cost-effective. The system is studied with a more exact numerical approach. In addition, an approximate analytical derivation helps in understanding the experimental results.1