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Find the voltage at node P in the following figure.(a) 8V(b) 9V(c) 10V(d) 11VThis question was posed to me in an international level competition.This is a very interesting question from Nodal Analysis topic in portion Methods of Analyzing Circuits of Network Theory

Answer»

The correct OPTION is (b) 9V

To elaborate: I1 = (4-V)/2,I2 = (V+6)/3. The NODAL equation at NODE P will be I1+3=I2. On SOLVING, V=9V.



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