Magnetic Induction in Two Different Media

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SUMMARY

This discussion centers on calculating the induced electromotive force (emf) when one coil is submerged in water and another is in air, based on Faraday's law of induction. The key factors affecting the induced emf include the change in magnetic flux and its rate of change. The magnetic permeability of water is approximately 0.9997 H/m, while that of air is about 1.2566 H/m. Understanding these differences is crucial for accurate calculations of induced emf in varying media.

PREREQUISITES
  • Faraday's Law of Induction
  • Magnetic Flux Calculation
  • Magnetic Permeability of Materials
  • AC Current Principles
NEXT STEPS
  • Research the calculation of induced emf in different media using Faraday's law.
  • Explore the effects of magnetic permeability on induction in various materials.
  • Learn about the properties of water and air as they relate to electromagnetic fields.
  • Investigate practical applications of magnetic induction in engineering and technology.
USEFUL FOR

Physics students, electrical engineers, and anyone interested in electromagnetic theory and its applications in different media.

Md Shafiqul Islam
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From Faraday's law of induction we know if we have a coil with ac current it will create ac current to other coil placed within magnetic field. My question is if one coil is in water and another coil is in air how I can calculate the induced emf?
 
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Why would there be a difference from the Faraday's law? Calculate the change in magnetic flux, and its rate of change will give the induced emf.
 
What is the magnetic permeability of water? Air?
 

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