Automatic Control Systems - ECE Questions and Answers

Home / ECE / Automatic Control Systems :: Discussion

Consider the following statements about polar plots

Addition of a non-zero pole to a transfer function results in further rotation of polar plot through an angle of - 90° as ω → ∞
Addition of a pole at the origin to a transfer function rotates the polar plot at zero and infinite frequencies by a further angle of - 90°

Of the above statements:

Both are correct

Both are wrong

1 is correct and 2 is wrong

2 is correct and 1 is wrong