Which of the following statements are correct (select all that apply, there may be more than one correct option)? Germanium is an excellent semiconductor for LEDs O Above threshold, light in a laser arises mainly from stimulated emission of photons O Light is emitted from an LED by spontaneous emission of photons in reverse bias The energy of photons emitted from an LED is approximately that of the band gap of the semiconductor

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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Which of the following statements are correct (select all that apply, there may be more than one correct option)?
n Germanium is an excellent semiconductor for LEDs
Above threshold, light in a laser arises mainly from stimulated emission of photons
O Light is emitted from an LED by spontaneous emission of photons in reverse bias
O The energy of photons emitted from an LED is approximately that of the band gap of the semiconductor
Transcribed Image Text:Which of the following statements are correct (select all that apply, there may be more than one correct option)? n Germanium is an excellent semiconductor for LEDs Above threshold, light in a laser arises mainly from stimulated emission of photons O Light is emitted from an LED by spontaneous emission of photons in reverse bias O The energy of photons emitted from an LED is approximately that of the band gap of the semiconductor
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