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Solving for Alternating Currents

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Question: Find the Q factor and (b) the resonance width for the circuit in problem 70 and (c) the power factor when w=8000 rad/s?

Problem 70 for reference:
A series of RLC circuits with L=10 mH, C=2uF, and R= 5 omega are driven by a generator with a maximum emf of 100V and a variable angular frequency w.
Find (a) the resonant frequency with sub 0 and (b) 1 sub rms at resonance, and (c) the phase angle delta.

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Solution Summary

This solution is comprised of the necessary equations and reasoning needed to solve each part of the above problem. All work required for solving is provided.

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a.) Quality factor,
Q factor = XL/R
XL = w*L = 8000*10*10^(-3) = 80 ohm
R = 5 ohm

Q factor = ...

Solution provided by:
  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
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