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Semiconductors to high school students

Semiconductors to high school students

… LED, CPU, transistor, diode, solar cell, semiconductor laser …

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  • Semiconductors
    • About semiconductors
    • Semiconductor materials
  • The Silicon
    • Excitation of the silicon crystal
  • Doping
    • P-type doping
    • N-type doping
  • Semiconductor devices
    • P-N junction. The diode
    • The diode as an element of the electric circuit
    • The LED
  • EXPERIMENTS
    • Experiment with germanium crystals
    • Experiment with NTC thermistor
    • LED in a simple electric circuit
    • LED as a source of power
    • A LED is connected to the power supply unit with a long wire
    • Preparing an opto-electronic display using LEDs
    • Electric field can be scanned by LEDs
    • Colour blending in table-tennis balls with LEDs
    • Measuring the characteristics of the LED voltage-current
    • How to protect an exhibit using LEDs?
    • Illustration of the operation of the rectifying Graetz-circuitry
    • Checking the conductivity of the transistor outputs
    • Experiment with a solar cell
    • Preparation of a light gate
  • Contact us

Contact us:

Éva Gócz, physics and chemistry teacher, Sylvester János Reformed Grammar School, Budapest

Physics Education PhD Program Eötvös Loránd University, Budapest

This study was funded by the Content Pedagogy Research Program of the Hungarian Academy of Sciences.

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