Light and current

Subject: Physics

Grade: Lower Secondary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: g2030
Description:

At the end of this activity, students should be able to:
– describe a light-dependent resistor and give examples of its application
– describe an LED diode and give examples of its application
– recognise the symbols for LDR and LED
– connect an LED diode in forward bias
– describe the structure of digital and alphanumeric display devices.

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Light and current Class activity

Consists of...
Structure and opera... Animation Light-dependent res... Whiteboard exercise Automatic switch Animation Application of an LDR Whiteboard exercise The pins of an LED ... Animation Light emitting diod... Whiteboard exercise The operation of an... Simulation The operation of an... Whiteboard exercise Various colours of ... Simulation Various colours of ... Whiteboard exercise Types of display de... Slideshow Display devices Simulation Display devices Whiteboard exercise

Relevant to...

Secondary School

Lower Secondary (Grades 7-9)

Physics

Electronics

69. Light and current

YDP SA

Keywords

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

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