2 solenoids: emf and frequency

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    Emf Frequency
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SUMMARY

The discussion focuses on the relationship between frequency and electromotive force (emf) induced in a secondary solenoid within a primary solenoid setup, described as a loosely-coupled transformer. The primary solenoid is driven by a function generator, and it is established that the output frequency remains equal to the input frequency. The induced voltage in the secondary solenoid is contingent upon the coupling coefficient K, which is less than 1 in this scenario.

PREREQUISITES
  • Understanding of AC circuit theory
  • Knowledge of transformer principles and coupling coefficients
  • Familiarity with function generators and waveform settings
  • Basic concepts of electromotive force (emf)
NEXT STEPS
  • Research the effects of coupling coefficient K on transformer efficiency
  • Explore the principles of electromagnetic induction in solenoids
  • Learn about the characteristics of AC waveforms generated by function generators
  • Study the applications of loosely-coupled transformers in electrical engineering
USEFUL FOR

Electrical engineering students, circuit designers, and anyone interested in the principles of electromagnetic induction and transformer behavior in AC circuits.

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I'm studying a circuit in AC. I use a function generator and set a waveform. I have a solenoid and I put a small solenoid inner it. Could you tell me if there is a relation between frequency and emf inducted on the second solenoid?
 
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bznm said:
I'm studying a circuit in AC. I use a function generator and set a waveform. I have a solenoid and I put a small solenoid inner it. Could you tell me if there is a relation between frequency and emf inducted on the second solenoid?

What you describe is basically a loosely-coupled transformer. That is, a transformer with a coupling coefficient K less than 1. The frequency out will equal the frequency in. The voltage on the secondary solenoid will depend on the value of the coupling coefficient K.

See for example: http://www.tpub.com/neets/book2/5f.htm

:smile:
 

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