Find the Value of the Node Voltage V

Solution

By applying KCL at the node, we can find the current through 10 resistor.

So, applying KCL at the node gives

8A + I - 2A=0

I=-6 Amps

So, voltage across 10 resistor V= I×R= -6A×10 = -60 V

Then, the value of node voltage V=-60 V.

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