GATE 2015 EE (EE2) – Question 29

Electric Circuits · Network solution methods: KCL, KVL, Node and Mesh analysis · 1 mark · Numerical answer

Find the indicated current through the 2 Ω resistor, in amperes.

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Correct answer: 0

Explanation

The crossed diagonals are not connected at their crossing. Each right-hand node is linked by equal 1 Ω resistors to the source's 5 V and 0 V nodes.

By symmetry both right nodes are at 2.5 V. The 2 Ω resistor connects these equal potentials, so its voltage is zero and its current is **0 A**. The central crossing must not be mistaken for a joined node.

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