COMPLETE EXPERIMENTS ON ELECTRICITY AND MAGNETISM  

In this experiment Coulomb’s law is investigated. The setup allows to derive Coulomb’s formula experimentally: the determination of the Coulomb force F of two electrically charged spheres (with charge q1 and q2) is at the center ... more

Objective: Measure the electric field in a plate capacitor using the electric field meter The electric field meter can be used to measure the electric field within a plate capacitor directly. In this experiment a rotating sectored disc interrupts ... more

Objective: Measure the electrostatic voltage as a function of the distance between the plates To increase the distance between the charged plates of a plate capacitor after removing their external conne ctions, mechanical work must be performed ... more

Objective: Determining the relative permittivity of various materials Any insulating or poorly conducting material which lacks free charge carriers can act as a dielectric when an electric field passes through it. The material may be a ... more

Objective: Demonstrate the electric current generated by the motion of charged droplets of water Electric current arises due to an amount of charge being transported during a given interval of time. A flow of current can be simply illustrated ... more

Objective: Demonstrate the electric current generated by the motion of charged droplets of water Electric current arises due to an amount of charge being transported during a given interval of time. A flow of current can be simply illustrated ... more

Objective: Determine the electrical conductivity of copper and aluminium Electrical conductivity of a material is highly dependent on the nature of the material. It is defined as the constant of proportionality between the current density ... more

Objective: Determine the value of certain resistances An arrangement in which two voltage dividers are connected in parallel and connected to the same DC voltage source can be used to obtain the values of certain resistors. The first voltage ... more

Objective: Verification of Ohm’s law In simple electrical conductors, the current I which passes through the conductor is proportional to the applied voltage U. The constant of proportionality, the ohmic resistance R, is dependent ... more

Objective: Measure voltage and current in circuits featuring resistors in series and in parallel Kirchhoff’s laws are of key importance for calculating current and voltage in various parts of a circuit with multiple branches. In this ... more

Objecive: Measure the voltage and current for a voltage divider with and without a load A voltage divider in its simplest form consists of a pair of resistors connected in series, whereby the total voltage across the two of them is divided ... more

Objective: Measure the force on a current-carrying conductor in a magnetic field The experiment involves measuring the Lorentz force on a current-carrying copper rod suspended in a horizontal position from a pair of vertical wires ... more

Objective: Measurement of the force exerted on a current-carrying conductor located inside a magnetic field The electric balance is based on André-Marie Ampères’ experiments on electric current. It measures the electro ... more

In the experiment: Biot-Savart law, the profile of the magnetic flux density B of current-carrying conductor loops with different radii R and the magnetic flux density of a straight wire is determined and discussed ... more

Objective: Determine the magnetic field generated by coils of various lengths The magnetic flux density inside a long cylindrical coil is directly proportional to the current through the coil and how close together the coil windings are ... more

Objective: Determine the horizontal and vertical components of the earth’s magnetic field This experiment involves determining the inclination and magnitude of the earth’s magnetic field as well as its horizontal and vertical components ... more

Objective: Generating a voltage pulse in a conducting loop by the motion of a permanent magnet When a permanent bar magnet is allowed to fall in succession through a set of identical induction coils connected in series, a voltage is induced ... more

Objective: Measure the induced voltage in a conductor made into a loop as it moves through a magnetic field The change in magnetic flux that is needed to induce a voltage in a conductor loop can be caused by a movement of the loop. Such ... more

Objective: Measuring the voltage induced in an induction coil If a closed conductor loop with N windings is located in a cylinder coil through which an alternating current flows, then an electrical voltage is induced by the variable magnetic ... more

Objective: Demonstrate and investigate how an eddy-current brake works In a metal disc moving through a uniform magnetic field, eddy currents get induced. The uniform magnetic field exerts a force due to these currents that causes the disc ... more

Objective: Make measurements on a transformer with and without load Transformers are devices based on Faraday’s law of induction which are used for converting voltages. One major use is for the transmission of electrical power over large ... more

Objective: Investigation of how the voltage across a capacitor changes over time when the capacitor is charging or discharging In a DC circuit, current only flows through a capacitor at the point in time when the power is turned on or off ... more

Objective: Determine the charging and discharging times The discharge curve of a capacitor is to be derived by measuring the times taken for certain voltages to be reached to obtain sample points. The charging curve is to be measured ... more

Objective: Determine the charging and discharging times The discharge curve of a capacitor is to be derived by measuring the times taken for certain voltages to be reached to obtain sample points. The charging curve is to be measured in ... more

Objective: Determine the impedance of a capacitor as a function of capacitance and frequency Any change in voltage across a capacitor gives rise to a flow of current through the component. If an AC voltage is applied, alternating current ... more