a ) A PN diode has forward voltage drop VD= 0.3 V at 20 ° C . Assume the emission coefficient n = 1 , k = 1.38 * 10-23 J / K is Boltzmann's constant and q = 1.6 x 10-19 C is the magnitude of the electrical charge of an electron (i) Identify the forward current iD at 20 ° C ( ii ) Determine and compare the current ip after a temperature rise of 40 ° C . Assume that reverse saturation current double for every 10 ° C rise in temperature.

a ) A PN diode has forward voltage drop VD= 0.3 V at 20 ° C . Assume the emission coefficient n = 1 , k = 1.38 * 10-23 J / K is Boltzmann's constant and q = 1.6 x 10-19 C is the magnitude of the electrical charge of an electron (i) Identify the forward current iD at 20 ° C ( ii ) Determine and compare the current ip after a temperature rise of 40 ° C . Assume that reverse saturation current double for every 10 ° C rise in temperature.

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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