Math Problem Statement

In the series LCR circuit, if L = 60 mH, C = 450 pF and R = 1000 Ω, calculate the resonance frequency?

Solution

The problem asks to calculate the resonance frequency for a series LCR circuit, where the given values are:

  • L=60mH=60×103HL = 60 \, \text{mH} = 60 \times 10^{-3} \, \text{H}
  • C=450pF=450×1012FC = 450 \, \text{pF} = 450 \times 10^{-12} \, \text{F}
  • R=1000ΩR = 1000 \, \Omega

For a series LCR circuit, the resonance frequency f0f_0 is given by the formula:

f0=12πLCf_0 = \frac{1}{2\pi \sqrt{LC}}

Now, let me calculate the resonance frequency.The resonance frequency of the series LCR circuit is approximately 30,629Hz30,629 \, \text{Hz} or 30.63kHz30.63 \, \text{kHz}.

Would you like further details or have any questions? Here are 5 related questions for practice:

  1. What happens to the resonance frequency if the capacitance is doubled?
  2. How does the resistance RR affect the bandwidth of the resonance?
  3. What is the significance of resonance frequency in an LCR circuit?
  4. How can we experimentally determine the resonance frequency in a real circuit?
  5. How does changing the inductance affect the resonance frequency?

Tip: At resonance, the impedance of the LCR circuit is purely resistive, meaning the reactive components from the inductor and capacitor cancel each other out.

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Math Problem Analysis

Mathematical Concepts

Electromagnetism
Resonance
Series LCR Circuits

Formulas

f₀ = 1 / (2π√(LC))

Theorems

Resonance in LCR Circuits

Suitable Grade Level

University (Physics/Electronics)