A circuit is given in the figure below. We can infer that ________(a) The circuit follows Reciprocity Theorem(b) The circuit follows Millman’s Theorem(c) The circuit follows Superposition Theorem(d) The circuit follows Tellegen TheoremI had been asked this question during an interview for a job.My question is from Advanced Problems on Reciprocity Theorem in section Useful Theorems in Circuit Analysis of Network Theory

A circuit is given in the figure below. We can infer that ________(a)

1.	A circuit is given in the figure below. We can infer that ________(a) The circuit follows Reciprocity Theorem(b) The circuit follows Millman’s Theorem(c) The circuit follows Superposition Theorem(d) The circuit follows Tellegen TheoremI had been asked this question during an interview for a job.My question is from Advanced Problems on Reciprocity Theorem in section Useful Theorems in Circuit Analysis of Network Theory
Answer» Correct option is (a) The circuit follows Reciprocity Theorem Easy explanation: Let us consider this circuit, Rth = [(2+4) \|\| 6] + 12 = 15 Ω IS = \(\frac{45}{15}\) = 3 A Now, by current division rule, we GET, I1 = \(\frac{3 × 6}{12} = \frac{18}{12}\) = 1.5 A. Again, let us consider this circuit, Equivalent resistance,REQ = [(12 \|\| 6) + 2 + 4] = 10 Ω IS = \(\frac{45}{10}\) = 4.5 A Now, by using Current division rule, we get, I2 = \(\frac{4.5 × 6}{12+6} = \frac{27}{18}\) = 1.5 A. Since I1 = I2, the circuit follows Reciprocity Theorem.

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