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MCQ Practice Question

A node is connected to ground through a 5 ohm resistor and a 2 A current source injects current into the node. With no other branches, the node voltage is?

A2.5 V
B5 V
C10 V
D20 V

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Correct Answer: C. 10 V

Explanation: By KCL, V/5 = 2 A, so V = 10 V.

Reference: Standard network theory: nodal analysis

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