1.

Polar plot of G (jw) = 1/jw(jw+t) is(a) Crosses the negative real axis(b) Crosses the negative imaginary axis(c) Crosses the positive imaginary axis(d) None of the mentionedThe question was posed to me during an interview for a job.My question is based upon Construction of Phase-Trajectories topic in section Nonlinear Systems of Control Systems

Answer»

Right choice is (d) NONE of the mentioned

Best explanation: POLAR PLOT can be made of the following function by following appropriate steps and THUS the plot neither crosses the real axis nor imaginary axis.



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