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1. Crystal Structure
1. Crystal Structure
2. Photoresistor
2. Photoresistor
Objectives:
Recording the current-voltage characteristics of a CdS photoresistor.
Measuring the photocurrent IPH as a function of the voltage U at a constant irradiance Φ.
3. Solar Cell
3. Solar Cell
Objectives:
The aim of this lab exercise is to experimentally create the Current vs. Voltage for an actual solar cell under various illumination conditions.
4. Dia-, Para- and Ferromagnetic Materials
4. Dia-, Para- and Ferromagnetic Materials
Objectives:
To investigate Dia-, para- and ferromagnetic materials in an inhomogeneous magnetic field.
5. Electrical Conduction in Solids
5. Electrical Conduction in Solids
Objectives:
Measuring the temperature-dependency of a noble-metal resistor.
Apparatus:
Cassy Lab 2, Temperature box, Noble metal resistor, Semiconductor resistor 5 kΩ, Electric oven, 230 V, Safety connecting box and PC with Windows 7/8.
6. Determining the capacitance of a plate capacitor
6. Determining the capacitance of a plate capacitor
Objectives:
• To understand the concept of capacitance and how it is influenced by physical parameters.
• To experimentally determine the capacitance of a parallel plate capacitor.
• To investigate the effect of dielectric materials on capacitance.
Apparatus:
• Parallel plate capacitor
• Digital multimeter (capacitance measurement mode)
• Dielectric materials (e.g., paper, plastic, or glass)
• Ruler or caliper (for measuring plate dimensions and separation
7. Solar Cell
7. Solar Cell
Objectives:
• The aim of this experiment is to determine the efficiency of the solar cell at different angles relative to the incident light.
Apparatus:
Power supply;
Solar cell panels;
Ammeter;
Voltmeter; and
Light source
8. Electrical Conduction in Solids
8. Electrical Conduction in Solids
Objectives:
• Measuring the temperature dependency of a semiconductor resistor
Apparatus:
Cassy Lab 2;
Temperature Box;
Noble Metal Resistor;
5 kΩ semiconductor resistor;
electric oven (230 V),
Safety Connecting Box; and
PC with Windows 7/8
9. Electrical conductivity of metals
9. Electrical conductivity of metals
Objectives:
• The experiment aims to compare the conductivity of copper and aluminum and analyse how material properties influence electrical resistance.
10. Study of magnetic hysteresis
10. Study of magnetic hysteresis
Objectives:
To analyze the hysteresis loop of a ferromagnetic material, determining key parameters like coercivity, remanence, and saturation magnetization
Apparatus:
-Power-CASSY
-CASSY Lab 2
-U-core with yoke
-Coils with 500 turns
-PC with Windows 7/8
11. current-voltage characteristics of a CdS photoresistor
11. current-voltage characteristics of a CdS photoresistor
Objectives:
Measuring the photocurrent IPH as a function of the irradiance Φ at a constant voltage U.
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