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Home » Products » College Physics Lab Equipment » Photoconductivity

Photoconductivity

Photoconductivity
Photoconductivity
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Product Code : ACP-023
Brand Name : Atico
Product Specifications
  • Power
  • 230V AC, 50 Hz single phase
  • Voltage
  • 0-16 Volt DC continuously variable & stabilized
  • Application
  • Lab Equipment
Product Description

Description:

Absorption of light increases electricalconductivity in a solid. In case of cadmium sulphide (CdS) photoresistor, whenit is exposed to light the transition of activator electrons into theconduction band and charge exchange of traps with holes being created in thevalence band causing enhancement of conductivity. In the present setup, photocurrent is studied as a function of the voltage applied to the photo resistorat a constant irradiance. The angle of polarization is changed by polarizerfilter.

Experiments:

  • To study the current vs voltagecharacteristics of CdS photo-resistor at constant irradiance.
  • To measure the photo-current as a function ofthe irradiance at constant voltage.

Features:

  • Multipurpose power supply.
  • Electrical safety tested.
  • Adjustable slit self centering.
  • Marked analyzer & polarizer for anglemeasurement.


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