Solving for R in RLC Circuit to Achieve 3V Magnitude of V

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  • Thread starter Thread starter bacthiar_ahmed
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    Circuit Rlc Rlc circuit
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Discussion Overview

The discussion revolves around finding the resistance value R in an RLC circuit to achieve a specific voltage magnitude of 3 volts. The scope includes theoretical and mathematical reasoning related to circuit analysis.

Discussion Character

  • Homework-related, Mathematical reasoning

Main Points Raised

  • One participant requests assistance in determining the resistance R needed for the circuit to yield a voltage of 3 volts.
  • Another participant inquires whether phasors have been covered in the discussion, suggesting their relevance to the problem.
  • A different participant notes that phasors have not been introduced and suggests writing a differential equation to analyze the circuit behavior.
  • This participant proposes that the differential equation should account for the current entering and leaving node V through the source, inductor, and capacitor, indicating a transition from an integro-differential equation to an ordinary differential equation.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the approach to solving the problem, with differing views on the use of phasors and the formulation of the differential equation.

Contextual Notes

There is a lack of clarity regarding the assumptions made about the circuit components and the specific conditions under which the voltage of 3 volts is to be achieved.

bacthiar_ahmed
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In the circuit shown below, find the value of the resistance R that is necessary to make the magnitude of V equal to 3 volts.

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Can anyone please help me to solve this out?
 
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rude man said:
Have you covered phasors?

No phasors is given bro...
 
In that case you have to write a differential equation . Write the diff. eq. for current entering node V from the source = current leaving node V through L and C. This actually starts as an integro-differential equation but you can change it to an ordinary diff. eq.
 

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