Find the value of Vx and power dissipated

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SUMMARY

The discussion focuses on solving for the voltage Vx and the power dissipated by a dependent source in a circuit analysis problem. The user employs Kirchhoff's Voltage Law (KVL) to formulate the equation 10 + 3Va + 10kI = 0 but struggles with the number of unknowns versus equations. A suggestion is made to express Va in terms of the 10k resistor and current I to create an additional equation, facilitating the solution of the circuit.

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  • Understanding of Kirchhoff's Voltage Law (KVL)
  • Basic circuit analysis techniques
  • Familiarity with dependent sources in electrical circuits
  • Knowledge of Ohm's Law and resistor calculations
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Homework Statement


I'm looking to find the value of Vx and power dissipated or provided by the dependent source.

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Homework Equations



I used KVL to get around the loop, but I'm not sure if that's correct.

The Attempt at a Solution



The main loop I get 10+3Va+10kI = 0.

No clue what to do next. I keep thinking left and right loop, but I already see 4 unknowns 3 equations. Unless I need a junction where I1=-I2. I just don't get it.
Please help, or get my on the right track.
 
Last edited:
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Your equation looks okay. One equation, 2 unknowns. You need another one. Consider expressing VA in terms of the 10K resistor and I.
 

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