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
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