The open loop frequency response of a unity feed back system is as given below. The gain margin and phase margin respectively are

The open loop frequency response of a unity feed back system is as giv

1.	The open loop frequency response of a unity feed back system is as given below. The gain margin and phase margin respectively are
A.	20 dB and 15°
B.	20 dB and 25°
C.	6 dB and 15°
D.	6 dB and 25°
Answer» D. 6 dB and 25°