- #1
careless25
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Hi,
New member here!
Ok, this is a textbook question which I need help with as I am self teaching myself Linear Circuits. I have an exam in a week and I wanted to clear out some questions I had.
textbook question: https://docs.google.com/leaf?id=0By2PVt4Tdl6VZjNmMGRmODgtOWVmYy00MTUxLWExNjItZmQ4MTMxMzYyZDAy&hl=en_GB
Find Vo using Thévenin’s theorem
Mesh Analysis:
I1 = 8mA (8mA current source loop)
I2 = 2mA (2mA current source loop)
Loop I3 : -I1(3kΩ) - I2(6kΩ) + I3(15kΩ) = -12V (voltage source loop)
I3 = 36/15 = 12/5 mA
R_th = 18/5 kΩ + 2kΩ
Since we want to find Voltage across the 1kΩ resistor using Thevenin's theorem, I removed the resistor from the circuit.
Now to find the voltage across the Open terminals I would have to simplify the circuit. Where I am stuck is how I can simplify the rest of the circuit so that I have Voltage and R_th.
The current sources are baffling me, I don't know how to simplify those.
I tried using Mesh analysis because i have 2 of the 3 currents but I don't know how to use those currents to find a voltage across the terminals.
Any help would be appreciated.
Thanks,
C25
New member here!
Ok, this is a textbook question which I need help with as I am self teaching myself Linear Circuits. I have an exam in a week and I wanted to clear out some questions I had.
Homework Statement
textbook question: https://docs.google.com/leaf?id=0By2PVt4Tdl6VZjNmMGRmODgtOWVmYy00MTUxLWExNjItZmQ4MTMxMzYyZDAy&hl=en_GB
Find Vo using Thévenin’s theorem
Homework Equations
Mesh Analysis:
I1 = 8mA (8mA current source loop)
I2 = 2mA (2mA current source loop)
Loop I3 : -I1(3kΩ) - I2(6kΩ) + I3(15kΩ) = -12V (voltage source loop)
I3 = 36/15 = 12/5 mA
R_th = 18/5 kΩ + 2kΩ
The Attempt at a Solution
Since we want to find Voltage across the 1kΩ resistor using Thevenin's theorem, I removed the resistor from the circuit.
Now to find the voltage across the Open terminals I would have to simplify the circuit. Where I am stuck is how I can simplify the rest of the circuit so that I have Voltage and R_th.
The current sources are baffling me, I don't know how to simplify those.
I tried using Mesh analysis because i have 2 of the 3 currents but I don't know how to use those currents to find a voltage across the terminals.
Any help would be appreciated.
Thanks,
C25