Finding Inductance and Internal Resistance in a Series LCR Circuit

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SUMMARY

The discussion focuses on determining the inductance and internal resistance of an inductor in a series LCR circuit using an AC power supply, an inductor, a capacitor substitution box, a resistor, and an AC voltmeter. The resonance frequency can be calculated using the formula f = 2π√(1/LC), where L is the inductance and C is the capacitance. A graphical method is suggested for finding the resonance frequency, emphasizing that at resonance, the sum of the inductive and capacitive impedances equals zero. Understanding these concepts is crucial for accurately measuring inductance and internal resistance in LCR circuits.

PREREQUISITES
  • Understanding of series LCR circuits
  • Familiarity with AC power supply and measurement tools
  • Knowledge of resonance frequency calculations
  • Basic principles of inductance and impedance
NEXT STEPS
  • Learn how to apply the graphical method for resonance frequency determination
  • Research techniques for measuring inductance using an LCR meter
  • Explore the impact of internal resistance on circuit performance
  • Study the relationship between inductance, capacitance, and resonance in LCR circuits
USEFUL FOR

Students and educators in electrical engineering, hobbyists working with LCR circuits, and anyone involved in experimental physics or circuit design.

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help me please! [Inductance]

Homework Statement


an experiment to determine the inductance and internal resitance of an inductor in a series LCR circuit.
I am proved with an a.c. power supply, an inductor, a capacitor substitution box, a resistor and an a.c. voltmeter


Homework Equations


how can i find the resonace frequency, inductance and the internal resistance of the inductor?


The Attempt at a Solution


I was suggested to use graphical method to find out the resonance frequency
but i don't know how can i do it.
 
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At resonance the sum of the inductive and capacitive impedances = 0.

This occurs at the frequency f = 2pi sqrt(1/LC).
 

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