Solenoid in open circuit and with glavanometer attached

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SUMMARY

The discussion centers on a student's experiment involving a solenoid in two scenarios: first, as an open circuit, and second, connected to a galvanometer. In the open circuit, the solenoid generates an electromotive force (emf) when a magnet is pushed into it, but no current flows. In contrast, when connected to a galvanometer, the solenoid not only generates emf but also allows for the measurement of induced current, demonstrating energy conversion from mechanical to electrical energy. The qualitative results highlight the importance of circuit completion in observing the effects of electromagnetic induction.

PREREQUISITES
  • Understanding of electromagnetic induction principles
  • Familiarity with solenoids and their operation
  • Knowledge of galvanometers and their function in measuring current
  • Basic concepts of energy conversion in physics
NEXT STEPS
  • Research the principles of Faraday's Law of Electromagnetic Induction
  • Explore the construction and operation of galvanometers
  • Study the effects of circuit configuration on induced emf
  • Investigate practical applications of solenoids in electrical engineering
USEFUL FOR

Physics students, educators, and electrical engineers interested in the principles of electromagnetic induction and practical applications of solenoids and galvanometers.

tecktonik
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1.A student performs an expierment on a soenoid. The solenoid is open circuit in the first instance, the studet then pushes a magnet into one end with a constant force.

the second instance, the solenoid is connected to a galvanometer. Using the concept of energy conversion, relate and explain the results of her experiment.



2. No needed equations. Qualitative results needed.



3. I know it generates an emf, but doesn't it do the same thing in both?
 
Physics news on Phys.org
Well you didn't give the results ...

why you think there wil be emf in second case
 

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