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Determine the Norton’s impedance seen from terminals ‘ab’.(a) 6∠90⁰(b) 7∠90⁰(c) 6∠-90⁰(d) 7∠-90⁰I have been asked this question in my homework.This is a very interesting question from Norton’s Theorem in division Steady State AC Analysis of Network Theory

Answer»

Right choice is (c) 6∠-90⁰

The best EXPLANATION: The impedance between the POINTS a and b with the SOURCE replaced by a short circuit is Norton’s equivalent impedance. The Norton’s impedance is Zab=(J3)(-j2)/((j3)-(j2))=6∠-90^oΩ.



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