a) Use the node-voltage method to find v, and the power delivered by the 2 A current source in the circuit in Fig. P4.27 C. Use node a as the reference node. b) Repeat part (a), but use node b as the reference node. c) Compare the choice of reference node in (a) and (b) Which is better, and why? Figure P4.27

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4.27 plz
### Example 4.27

#### Using PSPICE and MULTISIM

a) Use the node-voltage method to find \( v_o \) and the power delivered by the 2 A current source in the circuit in **Figure P4.27**. Use node \( a \) as the reference node.

b) Repeat part (a), but use node \( b \) as the reference node.

c) Compare the choice of reference node in (a) and (b). Which is better, and why?

#### Circuit Description (Figure P4.27):

- **2 A Current Source**: Connected to node \( b \).
- **50 Ω Resistor**: Connected between nodes \( a \) and \( b \).
- **25 V Voltage Source**: Placed between node \( b \) and a node connected to a 20 Ω resistor.
- **20 Ω Resistor**: Connected to a node with two other resistors (150 Ω and 55 Ω) forming a loop back to node \( a \).
- **150 Ω Resistor**: Connected between the 20 Ω resistor node and node \( a \).
- **55 Ω Resistor**: Connected in series with the 150 Ω resistor, completing the loop back to node \( a \).
Transcribed Image Text:### Example 4.27 #### Using PSPICE and MULTISIM a) Use the node-voltage method to find \( v_o \) and the power delivered by the 2 A current source in the circuit in **Figure P4.27**. Use node \( a \) as the reference node. b) Repeat part (a), but use node \( b \) as the reference node. c) Compare the choice of reference node in (a) and (b). Which is better, and why? #### Circuit Description (Figure P4.27): - **2 A Current Source**: Connected to node \( b \). - **50 Ω Resistor**: Connected between nodes \( a \) and \( b \). - **25 V Voltage Source**: Placed between node \( b \) and a node connected to a 20 Ω resistor. - **20 Ω Resistor**: Connected to a node with two other resistors (150 Ω and 55 Ω) forming a loop back to node \( a \). - **150 Ω Resistor**: Connected between the 20 Ω resistor node and node \( a \). - **55 Ω Resistor**: Connected in series with the 150 Ω resistor, completing the loop back to node \( a \).
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