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Find the current i2 in the circuit shown below.(a) 6.27(b) 7.27(c) 8.27(d) 9.27This question was addressed to me in an online interview.This is a very interesting question from Supermesh Analysis in portion Methods of Analyzing Circuits of Network Theory

Answer»

Correct choice is (b) 7.27

For explanation I would say: For 2ND LOOP, 10 + 2(i2-i3) + 3(i2-i1) = 0. For 3rd loop,i3 + 2(i3-i2)=10. As i1=10A, On solving above equations, we get i2=7.27A.



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