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An infinite ladder is constructed with 1 Ω and 2 Ω resistor shown below. The current I flowing through the circuit is ___________(a) 8.18 A(b) 0 A(c) 9 A(d) 10 AI got this question in an interview for internship.Asked question is from Advanced Problems Involving Complex Circuit Diagram topic in section Network Theory and Complex Circuit Diagram of Network Theory

Answer» RIGHT ANSWER is (c) 9 A

The best explanation: Equivalent RESISTANCE, REQ = R = 1 + (2 || R)

Or, REQ = 2

So, I = \(\frac{18}{2}\) A = 9 A.


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