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Find the voltage at node 2 of the circuit shown below.(a) 13(b) 14(c) 15(d) 16This question was posed to me at a job interview.I'm obligated to ask this question of Nodal Analysis topic in chapter Methods of Analyzing Circuits of Network Theory

Answer»

Right option is (b) 14

To elaborate: APPLYING Kirchhoff’s current LAW at node 1, 10 = V1/10+(V1-V2)/3. At node 2, (V2-V1)/3+V2/5+(V2-10)/1=0. On solving the above EQUATIONS, we get V2=14V.



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