Question:
Calculate the effective resistance between points A and B in the given electrical network.
Calculate the effective resistance between points A and B in the given electrical network.
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In symmetric resistor networks, identify equipotential points to simplify calculations.
Updated On: Mar 18, 2026
- 5 Ω
- 10 Ω
- 20 Ω
- 30 Ω
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The Correct Option is C
Solution and Explanation
Step 1: Observing the symmetry of the circuit. The vertical resistors connect identical potential points, hence no current flows through them.
Step 2: Simplifying the circuit. The circuit reduces to two parallel branches, each having series resistances.
Step 3: Calculating equivalent resistance. After simplification, the net resistance between A and B is obtained as: Rₑₓtₑq = 20Ω
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