Light and current

Subject: Physics

Grade: Upper Secondary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: h2427
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 Class activity

Consists of...
Photons and electrons Animation Photons and electrons Whiteboard exercise LDR (light-dependen... Animation LDR (light-dependen... Whiteboard exercise CCD (charge-coupled... Animation CCD (charge-coupled... Whiteboard exercise Photocell Animation Photocell Slideshow Photocell Whiteboard exercise Light emission in s... Animation Light emission in s... Whiteboard exercise LED diode (light-em... Animation LED diode (light-em... Whiteboard exercise Semiconductor laser Slideshow Semiconductor laser Whiteboard exercise

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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