Find out the feedback path in the circuit shown in the figure and which is positive feedback.[img=1011x700]1803a2b4bd54568.png[/img]
A: A
B: B
C: C
D: D
A: A
B: B
C: C
D: D
举一反三
- Find out the feedback path in the circuit shown in the figure and which is only ac feedback.[img=1011x700]1803a2b4bfbe0ef.png[/img] A: A B: B C: C D: D
- Find out the feedback path in the circuit shown in the figure and which is negative feedback .[img=1011x700]1803a2b1332fd88.png[/img] A: A B: B C: C D: D
- Calcium levels in the blood are regulated by A: positive feedback mechanism. B: negative feedback mechanism. C: neither positive or negative feedback. D: both positive and negative feedback.
- The circuit is shown as Figure,how many current sources are there in the figure( )[img=536x645]1803a2c16457c15.png[/img] A: 2 B: 3 C: 4 D: 5
- In the circuit shown, in terms of its external characteristics, ( )[img=692x106]17e0be1193fdf7f.png[/img]Figure 1 Figure 2 Figure 3 Figure 4 A: Figure 2 is equivalent to Figure 3 B: Figure 1 is equivalent to Figure 4 C: Figure 1 is equivalent to Figure 2