Experiments:
Current and voltage characteristics of the CdS photoresistor at constant illumination.
Measuring the photocurrent as a function of the energy illumination at constant voltage.
Characteristics:
– Multi-purpose power supply.
– Electrical safety checked.
– Self-centering slot.
– Marked analyzer and polarizer for measuring angles.
LDR photoresistor in the mount
Photoresistor: CdS (Cadmium Sulfide)
Aperture: 10 mm, transparent
Mounting rod: diameter 10 mm.
Connection: 4 mm safety terminals
Operating voltage: 0-16 VDC
Convex lens in the holder
Focal length: 100 mm
Lens diameter : 50 mm
Frame diameter: 130 mm to avoid light scattering
Stem diameter: 10 mm
12 V AC/DC power supply
Output: 2,3,4,5,6,8,10 and 12 VAC with half-wave rectification, unadjusted and unregulated direct current
Overload protection: Resettable thermal shutdown.
Input: 230 V AC, 50 Hz
Polarizer/Analyzer
Angle: adjustable (0°-90°)
Aperture: diameter 21 mm.
Frame: diameter 130 mm, possibility to avoid light scattering
Stem: 10 mm in diameter.
Lamp housing
Lamp: 12V, 21V
Lens: Spherical condenser, for adjustment
Connection: 4 mm plug
Mounting rod: diameter 10 mm.
Housing : Aluminum, ventilation system
Optical bench
Material: Aluminum alloy
Type: Hexagon
Scale: 0-100 cm
Least amount: 1 mm
Adjustable self-centering slot
Technical Specifications
Slit width: 0-2 mm
Height : 6 mm
Frame diameter: 120 mm to avoid light scattering
Mounting rod: diameter 10 mm.
Digital multimeter
Resistance: 200 ohms, 2000 ohms, 20 kOhms, 200 kOhms and 2000 kOhms.
DC voltage: 200 and 2000 mV: 20, 200 and 600 V
AC voltage : 200 and 600 Vdc
Current : 200 and 2000 mA / 20 and 200 mA / 10 A
Testing: diode and transistor
Battery: 9 V
Transverse sliding support
Material : aluminum
Lock : Spring-loaded
Motion: XY axis
Holder: diameter 10 mm.