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In the circuit shown below. Find the current I2.(a) 0.5∠-90⁰(b) 0.6∠-90⁰(c) 0.7∠-90⁰(d) 0.8∠-90⁰I have been asked this question in an online interview.This interesting question is from Mesh Analysis in section Steady State AC Analysis of Network Theory

Answer»

Right option is (B) 0.6∠-90⁰

Explanation: The equation for loop 1 is I1(j4) + 6(I1-I2) = 5∠0⁰. The equation for loop 2 is 6(I1-I2) + (J3) I2 + (2) I2 = 0. Solving the above EQUATIONS, I2 = 0.6∠-90⁰.



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