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Determine the total impedance in the circuit.(a) 73.3∠33⁰(b) 83.3∠-33⁰(c) 83.3∠33⁰(d) 73.3∠-33⁰I got this question in unit test.Enquiry is from Parallel Circuits topic in section Complex Impedence of Network Theory

Answer»

Correct option is (B) 83.3∠-33⁰

To elaborate: Z = VS/IT = 20∠0⁰ / 0.24∠33⁰ = 83.3∠-33⁰Ω. The phase angle indicates that the TOTAL LINE current is 0.24 A and leads the voltage by 33⁰.



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