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電路學(一) 6/10測驗game

Authored by WJ Tzou

Instructional Technology

University

Used 3+ times

電路學(一) 6/10測驗game
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

 vo=RbRa(vbva)v_o=\frac{R_b}{R_a}\left(v_b-v_a\right)  這是一個差值放大器電路,在何種情況下,可得前述的簡化方程式?  

 RaRb=RdRc\frac{R_a}{R_b}=\frac{R_d}{R_c}  

 RbRa=RcRd\frac{R_b}{R_a}=\frac{R_c}{R_d}  

 RaRb=RcRd\frac{R_a}{R_b}=\frac{R_c}{R_d}  

 RaRb=RaRc\frac{R_a}{R_b}=\frac{R_a}{R_c}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

對差值放大器功能主要是放大許多的應用資訊,而這些資訊是什麼信號?

差模信號

同模信號

差模信號與同模信號均是

差模信號與同模信號均不是

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

CMRR 值在什麼情況下,則差值放大器愈接近理想。

等於1

等於0

愈小

愈大

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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設計一增益為 15的非反相放大器 ,Rf = 7 kΩ,求 Rs =? kΩ

15

7

1

12\frac{1}{2}

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

若Rx =30kΩ,求 vn=? V

0

0.2

0.6

6

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