Can Induced EMF Be Greater Than Actual EMF and Create Opposing Currents?

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SUMMARY

The discussion centers on the relationship between induced electromotive force (emf) and actual current in electromagnetic systems. It establishes that the induced emf, defined by the equation induced emf = -d(phi)/dt, can indeed exceed the actual emf under certain conditions where the rate of change of magnetic flux (d(phi)/dt) surpasses the existing flux (phi). Furthermore, it confirms that induced emf can generate currents that flow in opposition to the original current, effectively creating opposing magnetic fields.

PREREQUISITES
  • Understanding of Faraday's Law of Electromagnetic Induction
  • Familiarity with the concept of magnetic flux
  • Knowledge of Lenz's Law and its implications on current direction
  • Basic principles of electromagnetism and circuit theory
NEXT STEPS
  • Study Faraday's Law in detail, focusing on its mathematical formulation and applications
  • Explore Lenz's Law to understand the direction of induced currents
  • Investigate practical examples of induced emf in electrical circuits
  • Examine the implications of induced currents in AC circuits and transformers
USEFUL FOR

Electrical engineers, physics students, and professionals involved in electromagnetic applications will benefit from this discussion, particularly those interested in the principles of induction and current behavior in circuits.

judas_priest
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If the induced emf = -d(phi)/dt that is the rate at which the flux through a body is increasing, can the induced current ever be more than the actual current so as to oppose the field created?
Because the rate at which the flux through a body is increasing can be greater than the flux it already holds (what i mean to say is d(phi)/dt > phi). So is it possible that the induced emf be more than the actual emf creating the current?
 
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Also, do Induced emf actually create current flowing in the opposite direction of the current that is causing the magnetic field? (Not the the induced magnetic field)
 

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