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Find IT in the figure shown below.(a) 0.66∠-20.5⁰(b) 0.66∠20.5⁰(c) 0.77∠20.5⁰(d) 0.77∠-20.5⁰This question was posed to me by my school teacher while I was bunking the class.Question is from Parallel Circuits topic in section Complex Impedence of Network Theory

Answer»

Right ANSWER is (d) 0.77∠-20.5⁰

Explanation: The current lags behind the APPLIED VOLTAGE by 20.5⁰. TOTAL current IT = VS/ZT = 20/25.87∠20.5^o=0.77∠-20.5^o.



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