1. For the diode circuit shown in Figure C1, assume the Turn-On voltage of LED1 is 2.0V and LED2 is 1.4V. Calculate current I, that flows through Resistor R2 i. If the switch S1 is closed and S2 is open [2] ii. If the switch S2 is closed and S1 is open [2] iii. If both the switches are closed [1] Vss 18V S1 S2 ALED1 D1 Si D3 Si DA D2 Ge ALED2 Ge R1 5000 R2 2.5kQ V1 =3.5 V

1. For the diode circuit shown in Figure C1, assume the Turn-On voltage of LED1 is 2.0V and LED2 is 1.4V. Calculate current I, that flows through Resistor R2 i. If the switch S1 is closed and S2 is open [2] ii. If the switch S2 is closed and S1 is open [2] iii. If both the switches are closed [1] Vss 18V S1 S2 ALED1 D1 Si D3 Si DA D2 Ge ALED2 Ge R1 5000 R2 2.5kQ V1 =3.5 V

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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