Match List I with List II and select the correct answer using the code given below the lists:

List I
(Shape of Nyqaist Plot)
A. The plot does not intersect negative real axis
B. The plot intersects negative real axis between 0 and (-1, j 0)
C. The plot passes through the point (-1, j 0)
D. The plot encloses the point (-1, j 0)

List II
(Gain Margin)
1. < 0 dB
2. 0 dB
3. > 0 dB
4.infinite dB

Code: A B C D

a) 3 4 1 2
b) 4 3 2 1
c) 3 4 2 1
d) 4 3 1 2