Sketch the l-V curves of an ideal diode and a real germanium diode. Label the sketched diagrams clearly. (a)

Electric Motor Control
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Chapter59: Motor Startup And Troubleshooting Basics
Section: Chapter Questions
Problem 12SQ: How is a solid-state diode tested? Explain.
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Question 1
(a)
Sketch the l-V curves of an ideal diode and a real germanium diode. Label
the sketched diagrams clearly.
(b) A circuit is shown in Figure 1. The diodes are silicon type with forward biased
voltage of 0.7V.
+10V
ID2
6kn
A
D2
B
ID1
3kn
-10V
Figure 1
(i)
Calculate the diode current for Ior and loz.
(ii)
Determine the biasing conditions of diodes D1 and D2.
(iii)
What are the voltages between nodes A and B?
(iv)
Calculate the voltages at nodes A and B.
Transcribed Image Text:Question 1 (a) Sketch the l-V curves of an ideal diode and a real germanium diode. Label the sketched diagrams clearly. (b) A circuit is shown in Figure 1. The diodes are silicon type with forward biased voltage of 0.7V. +10V ID2 6kn A D2 B ID1 3kn -10V Figure 1 (i) Calculate the diode current for Ior and loz. (ii) Determine the biasing conditions of diodes D1 and D2. (iii) What are the voltages between nodes A and B? (iv) Calculate the voltages at nodes A and B.
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