Electronics Technology (ElectrotechnicsⅡ)(Dalian University of Technology) 中国大学MOOC答案2024版100分完整版

Chapter Eight DC Regulated Power Supply(Ⅰ) Test for Chapter Eight (1)

1、 Determine the state of the diode.（      ）

答案: on

2、 The diode in the circuit is ideal. Given that US=5V. Find  uO=（       ).

答案: 5V

3、 All the diodes in the circuit are ideal. Find the states of D1,D2,D3.(          )

答案: D1 on, D2 and D3 off

4、 The diodes in the circuit are ideal. Find the states of D1 and D2.(         )

答案: D1 on, D2 off

5、 The diode in the circuit is ideal. Given that ui = 6.5sinωt V，Find the maximum output voltage uOM =（    ）.

答案: 3.5 V 

6、 The diodes in the circuit are ideal. Given that ui = 6 sinωtV，Find the maximum output voltage uo（       ）.

答案:  +6V

7、  Given that the forward voltage drop across the diode is 0V. Find the output Uo = (         ).

答案: +3V

8、 Given that the forward voltage drop across the diode is 0V. Find the output Uo = (        ).

答案:  -3V

9、  Given that the forward voltage drop across the diode is 0V. Find the output Uo = (       ).

答案: 0V

10、 Given that the forward voltage drop across the diode is 0V. Find the output Uo = (       ).

答案: 0V

Chapter Eight DC Regulated Power Supply(Ⅱ) Test for Chapter Eight

1、 A zener diode utilizes（    ） characteristics for its operation.

答案: reverse

2、 Given that UZ=10V, IZmax= 20 mA, UI =30V. Find the minimum value of R（     ）.

答案: 1kW

3、 Given that UI =10 V, UZ = 6 V. Find the voltage drop across the resistor UR（      ）.

答案: 4V

4、  Given that UZ1 =6V, UZ2 =12V. The forward voltage drop of the zener diode is 0.7V. Find UO =（     ）.

答案: 6.7V

5、 Given that U2=10V. Find the maximum reverse voltage of the Diode.(　 　).

答案: 14.14V

6、 Given that U2=10V.Find the maximum reverse voltage of the Diode (        ).

答案: 28.28 V

7、 Given that U2=10V. Find the maximum reverse voltage of D1 (　　).

答案: 14.14V

8、 Given that IO=50mA, Find ID(　　).

答案: 25 mA    

9、 Given that U2=35V, IO=12mA. Select the right Diode (        ).

答案: c

10、 Find the output voltage (          ).

答案: 5V

11、 A zener diode utilizes（    ） characteristics for its voltage regulating operation.

答案: reverse