Amplificadores operacionais | UFCD 6016
Quiz
•
Professional Development
•
11th Grade
•
Hard

António Silva
Used 16+ times
FREE Resource
16 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
O amplificador operacional 741C é um dispositivo de _ pinos.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observa atentamente o circuito.
O instrumento M1 deve indicar:
5 V
- 5 V
10 V
- 10 V
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Um AO ideal deve ter:
Ganho infinito
Offset de tensão nulo
Impedância de saída infinita
Largura de faixa infinita
Impedância de saída nula
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O amplificador operacional 741C tem uma frequência de ganho unitário
de:
10 Hz
10 KHz
1 MHz
1,5 MHz
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ganho de tensão em malha fechada de um amplificador inversor é
igual:
Ao quociente entre a resistência de entrada e a resistência de realimentação
Ao ganho de tensão em malha aberta
Ao ganho de corrente do coletor para a base
À resistência de realimentação dividida pela resistência de entrada
À resistência de entrada
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se as duas fontes de alimentação forem ±12 V, o máximo da tensão de
saída pico-a-pico de um amplificador operacional é a tensão mais
próxima de:
-12 V
0 V
+12 V
24 V
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A impedância de entrada do circuito é de:
1 kΩ
5 kΩ
1 MΩ
infinita
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