If the input voltage is 0.25 V and the output is -2.5 V, the value of must be().
A.40.0 kΩ
B.20.0 kΩ
C.16.0 kΩ
D.5.0 kΩ
正確答案:20.0 kΩ
If the input voltage is 0.25 V and the output is -2.5 V, the value of must be().
A.40.0 kΩ
B.20.0 kΩ
C.16.0 kΩ
D.5.0 kΩ
正確答案:20.0 kΩ