Problem 11-1    Source:   Problem elaborated by the author of the site.

In the circuit show in Figure 11-01.1, calculate:

a) The currents i₁ , i₂ and i₃.

b) The voltage of the node e₁.

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Problem 11-2    Source:    Problem 4.12 - page 96 -    NILSSON & RIEDEL -    Book: Circuitos Elétricos - 8ª edição - Ed. Pearson Education do Brasil - 2010.

In the circuit show in Figure 11-02.1, calculate:

The voltages in the nodes and the currents i₁ , i₂ , i₃ and i₄.

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Problem 11-3    Source:    Example 5.10 - page 188 -    IRWIN, J. David -    Book: Análise de Circuitos em Engenharia - 4ª edição - Ed. Pearson - 2013.

In the circuit show in Figure 11-03.1, calculate:

a) The voltage of all the essencial nodes.

b) The voltage at the terminals a-b.

c) The currents i_x , i_k.

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Problem 11-4    Source:   Problem elaborated by the author of the site.

In the circuit show in Figure 11-04.1, calculate:

a) The current i_x and i_y.

b) The power dissipated on 6 ohms resistors.

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Problem 11-5    Source:    Problem 3.58 - page 140 -    IRWIN, J. David -    Book: Análise de Circuitos em Engenharia - 4ª edição - Ed. Pearson - 2013.

In the circuit show in Figure 11-05.1, calculate:

The voltages of the essencial nodes, i₁ , i₂ and the voltage V_o.

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Problem 11-6    Source:    Problem 13 - List of Electrical Circuit Exercises I - School of Engineering - UFRGS - 2011 - Prof. Dr. Valner Brusamarello.

In the circuit show in Figure 11-06.1, by transformation and displacement of sources, reduce to a single source associated with a single resistor.

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Problem 11-7    Source:    Problem 34 - page 114 -    HAYT, William H. Jr. , KEMMERLY, Jack E. , DURBIN, Steven M. -    Book: Análise de Circuitos em Engenharia - Ed. McGraw Hill - 7ª Edição - 2008.

In the circuit show in Figure 11-07.1, calculate the current i_x.

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Problem 11-8    Source:   Problem elaborated by the author of the site.

In the circuit show in Figure 11-08.1, calculate:

a) The current I₁.

b) The power supplied or received by the 40 volt voltage source.

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Problem 11-9    Source:    Adapted from the 1st test - Circuit Analysis I - Prof. Dr. Dênis Fernandes - PUCRS - 2018.

In the circuit show in Figure 11-09.1, calculate the voltages V_ab , v₁ and v₂.

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Problem solving using Voltage Node Method   click here!

Problem 11-10    Source:    Problem 68 - List of Electrical Circuit Exercises I - School of Engineering - UFRGS - 2011 - Prof. Dr. Valner Brusamarello.

In the circuit show in Figure 11-10.1, determine the value read by the ammeter A when the S key is in position 2, knowing that when the S key is in position 1 the circuit contained and highlighted by the orange rectangle in the figure, transfers the maximum possible power.

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Attention -  There is a typing error in the list response. The correct value of the ammeter reading is 3 A and not 9 A, as it appears in the list.

Problem solving using Thévenin-Norton Method   click here!

Problem 11-11    Source:   Problem developed by the site author.

In the circuit show in Figure 11-11.1, calculate:

The current I and the electrical voltage at point a, that is, V_a.

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Problem 11-12    Source:    Problem 37 and 60 - List of Electrical Circuit Exercises I - School of Engineering - UFRGS - 2013 - Prof. Dr. Valner Brusamarello.

In the circuit shown in Figure 11-12.1, it is known that the ammeter A measures 3 A. Determine the value of the current source I.

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Problem 11-13    Source:    Problem created by the site's authors.

In the circuit shown in Figure 11-13.1 and using source transformation, determine the value of the current I.

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