STANDARD Physics Resistances in Series and Parallel MCQ Question
An infinite ladder network of resistances is constructed with 1 Ω and 2 Ω resistance as shown in figure. The 6 V battery between A and B has negligible internal resistance. The equivalent resistance between A and B is
1 Ω
2 Ω
3 Ω
4 Ω
Correct Answer
Detailed Explanation
In an infinite ladder network, the equivalent resistance R can be found using the relation R = 1 + 2R/(R + 2). Solving this equation gives R = 3 Ω.
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