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
A: 2
B: 3
C: 4
D: 5
举一反三
- The circuit is shown as Figure,how many current sources are there in the figure( )[img=536x645]1803a2c0e79fda0.png[/img] A: 2 B: 3 C: 4 D: 5
- According to the circuits shown in figure 3 and the figure 4, the current in Figure 5 i = [img=853x121]180317233475736.jpg[/img] Figure 3 Figure 4 Figure 5 A: -6A B: -4 A C: -2 A D: 6A
- 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
- In the circuit shown in Figure , the voltage U is ________[img=481x296]18031723660721c.jpg[/img] A: 2V B: -2V C: 6V D: -6V
- 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