Superposition theorem problem.

[raoulduke1]

In the problem attached do you use superposition theorem.
if so how do you use it?
I don't know how to solve circuits with 2 voltages.

 

[berkeman]

In the problem attached do you use superposition theorem.
if so how do you use it?
I don't know how to solve circuits with 2 voltages.

Nah. Just write the KCL equation for the node between R1 and R2 and solve.

 

[raoulduke1]

thanks for the reply. which voltage do I use?

 

[berkeman]

thanks for the reply. which voltage do I use?

Have you learned how to write the KCL equations yet for a circuit?

You write the equation that shows that the sum of all curents out of a node is zero. So in your problem, label the node between R1 and R2 as "Vx", and write the equation that shows that the sum of the 3 currents *out* of that node add to zero. Then solve away!

 

[DeeNos]

Yes, the superposition theorem can be used to solve this problem. This theorem states that in a linear circuit with multiple sources, the total response is equal to the sum of the individual responses caused by each source acting alone. In this problem, there are two sources (voltage sources) and by using the superposition theorem, we can break down the circuit into two separate circuits, one with only the first voltage source and the other with only the second voltage source. We can then solve for the response in each circuit and add them together to get the total response of the original circuit. This method can be helpful in solving circuits with multiple sources as it simplifies the problem and allows us to solve it step by step.