Light and current

Subject: Physics

Grade: Upper Secondary

Publisher: YDP

Resource types: Class activity

Resource ID: h602
Description:

At the end of this activity, students should be able to:
– explain the concepts of a light-dependent resistor, photocell, light-emitting diode, semiconductor laser
– describe an internal photoelectric effect
– explain the abbreviations LDR, LED
– give examples of the application of light emission and absorption by a p-n junction.

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Light and current Whiteboard presentation

Consists of...
Photons and electrons Student activity LDR (light-dependen... Student activity CCD (charge-coupled... Student activity Photovoltaic cell Student activity Light emission in s... Student activity LED diode (light-em... Student activity Semiconductor laser Student activity

Relevant to...

Secondary School

Upper Secondary (Grades 10-12)

Physics

Electronics

76. Light and current

YDP SA

Keywords

light, current, resistor, diode, bias, LDR, LED, colour depended, Light and current

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