Is this the correct diagram of finding equivalent impedance

Thread starter pokie_panda
Start date May 19, 2013
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Diagram Equivalent Impedance

In summary, impedance is a measure of the total opposition to an alternating current in a circuit, represented by the symbol Z and measured in ohms. Finding equivalent impedance is important for simplifying complex circuits and understanding their behavior. It is calculated using the formula Zeq = √(Req2 + Xeq2). Series impedance involves components connected in a single path, while parallel impedance involves components connected in multiple paths. Impedance can be negative in circuits with capacitors or inductors, known as reactive or imaginary impedance.

May 19, 2013

pokie_panda

Homework Statement

Can you check if the values and labels are correct

Homework Equations

The Attempt at a Solution

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May 19, 2013

256bits

Gold Member

I am still trying to figure out which node you are trying to simplify. If you are doing delta-wye transform shouldn't the top node " a " be spliting into -j5 and j2 and then you do a transform of the others.

Related to Is this the correct diagram of finding equivalent impedance

What is impedance?

Impedance is a measure of the total opposition to an alternating current in a circuit. It is represented by the symbol Z and is measured in ohms (Ω).

Why is finding equivalent impedance important?

Finding equivalent impedance is important because it allows us to simplify complex circuits and make calculations easier. It also helps us understand the overall behavior of a circuit.

How do you calculate equivalent impedance?

Equivalent impedance is calculated by using the formula Z_eq = √(R_eq² + X_eq²), where R_eq is the equivalent resistance and X_eq is the equivalent reactance.

What is the difference between series and parallel impedance?

In series impedance, the components are connected in a single path and the total impedance is the sum of individual impedances. In parallel impedance, the components are connected in multiple paths and the reciprocal of the total impedance is the sum of the reciprocals of individual impedances.

Can impedance ever be negative?

Yes, impedance can be negative in circuits that contain capacitors or inductors. This is known as reactive or imaginary impedance and is represented by the symbol j.