GATE EC 2022 Set 1 — Question 38
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Network Theory → Transient & AC Analysis → Sinusoidal Steady-State
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Question
For the circuit shown, the locus of the impedance is plotted as increases from zero to infinity. The values of and are:

Correct answer
(A) R₁ = 2 kΩ, R₂ = 3 kΩ
Solution
The impedance of the given circuit is:From the given locus plot:
1.At , the capacitor acts as an open circuit. The total impedance is . From the plot, the intercept on the real axis at is . Therefore, .
2.At , the capacitor acts as a short circuit. The total impedance is . From the plot, the intercept on the real axis as is . Therefore, .
Substituting into the first equation:Thus, and , which corresponds to option (A).Continue learning with Success Tracker
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