P 4.2-1 The node voltages in the circuit of Figure P 4.2-1 are v1 = –4 V and v2 = 2 V. 

Determine i, the current of the current source.

Answer: i = 1.5 A

p4_3_1

Figure P 4.2-1

 

Write a voltage node equation at node v1

 

 

Check doing a second voltage node equation at node v2

 

 

 

 

 

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This page last updated on January 26, 2019