如图所示运算放大电路，输出uo与输入的关系式是（）。

A . 小于2V B . 小于10V或大于-10V C . 等于2V或等于-2V D . 小于等于2V且大于等于-2V

A . 小于2V B . 小于10V或大于-10V C . 等于2V或等于-2V D . 大于或等于-2V且小于或等于2V

A .https://assets.asklib.com/psource/2015110110040637807.jpg B .https://assets.asklib.com/psource/2015110110042011959.jpg C .https://assets.asklib.com/psource/2015110110045042416.jpg D .https://assets.asklib.com/psource/2015110110043822770.jpg

A .https://assets.asklib.com/psource/2015110110321023485.jpg B .https://assets.asklib.com/psource/2015110110322177199.jpg C .https://assets.asklib.com/psource/2015110110324894811.jpg D .https://assets.asklib.com/psource/2015110110330118892.jpg

A .https://assets.asklib.com/psource/2015103016374077578.jpg B .https://assets.asklib.com/psource/2015103016374077578.jpg C .https://assets.asklib.com/psource/2015103016374077578.jpg D .https://assets.asklib.com/psource/2015103016374077578.jpg

A . A B . B C . C D . D

A .https://assets.asklib.com/psource/2015103016224075014.jpg B .https://assets.asklib.com/psource/2015103016225126155.jpg C .https://assets.asklib.com/psource/2015103016230236526.jpg D .https://assets.asklib.com/psource/2015103016231320493.jpg

A . 相同 B . 相反 C . 相差π／2 D . 无法判断

A .https://assets.asklib.com/psource/2015103016201852323.jpg B .https://assets.asklib.com/psource/2015103016203316643.jpg C .https://assets.asklib.com/psource/2015103016204578274.jpg D .https://assets.asklib.com/psource/201510301620588928.jpg

A .https://assets.asklib.com/psource/2015110110224381410.jpg B .https://assets.asklib.com/psource/2015110110225578861.jpg C .https://assets.asklib.com/psource/2015110110231370645.jpg D .https://assets.asklib.com/psource/2015110110232528824.jpg

A .https://assets.asklib.com/psource/201511011015399419.jpg B .https://assets.asklib.com/psource/2015110110155397242.jpg C .https://assets.asklib.com/psource/2015110110160859159.jpg D .https://assets.asklib.com/psource/2015110110162297647.jpg

A . A B . B C . C D . D

<span class="qb-content" data-gradeid="0" data-courseid="4">理想运算放大器,电路如图所示,R1=10kΩ,R2=20kΩ,RF=100kΩ,uI1=0.2V,uI2=-0.5V,求输出电压uO.</span> <span class="qb-content" data-gradeid="0" data-courseid="4"><img src='https://img2.soutiyun.com/ask/uploadfile/5448001-5451000/cd129167d42eaad0613c5c335515dd99.png' /></span>

<img src='https://img2.soutiyun.com/shangxueba/ask/4455001-4458000/4455766/ct_jggysbnjxj_jggysbnjxchoose_0443(106).jpg' /> A．1.5V B．-0.7V C．-15.6mV D．7.5mV

<img src='https://img2.soutiyun.com/ask/2021-01-07/978883839110428.png' />

电路如图4.14所示，试写出u_o与u_i的运算关系。 <img src='https://img2.soutiyun.com/ask/5448001-5451000/9dbb3ab87d6f5d77f4e73f5d55268fc5.gif' />

A、相同 B、在正半周相同 C、相反 D、在负半周相反 E、不知道

<img src='https://img2.soutiyun.com/shangxueba/ask/18366001-18369000/18366604/2015103016200329921.jpg' /> A．<img src='https://img2.soutiyun.com/shangxueba/ask/18366001-18369000/18366604/2015103016201852323.jpg' /> B．<img src='https://img2.soutiyun.com/shangxueba/ask/18366001-18369000/18366604/2015103016203316643.jpg' /> C．<img src='https://img2.soutiyun.com/shangxueba/ask/18366001-18369000/18366604/2015103016204578274.jpg' /> D．<img src='https://img2.soutiyun.com/shangxueba/ask/18366001-18369000/18366604/201510301620588928.jpg' />

如图所示电路中，输出电压U。与输入电压Ui1,Ui2的关系式为()。 <img src='https://img2.soutiyun.com/ask/uploadfile/5985001-5988000/cfadc566a8cfabd9c86aca69280248e8.jpg' /> A.<img src='https://img2.soutiyun.com/ask/uploadfile/5985001-5988000/6d645af1a0458b8cbcb9f3bd19cd7ea8.jpg' /> B.<img src='https://img2.soutiyun.com/ask/uploadfile/5985001-5988000/335710662224a9524791b5869b19ccd3.jpg' /> C.<img src='https://img2.soutiyun.com/ask/uploadfile/5985001-5988000/c09ffef8651c3bfc2d1a549388acd535.jpg' /> D.<img src='https://img2.soutiyun.com/ask/uploadfile/5985001-5988000/e482d9a546606b704045b155045deec5.jpg' />

A．两者反相，输出电压大于输出电压 B．两者同相，输出电压近似等于输入电压 C．两者相位差90&deg; ，且大小相等 D．两者相位差90&deg; ，且大小不等