Cidepe

Function

Intended for experimental study, physics laboratory and carrying out physics experiments on: Electromagnetism. Electric current produces magnetic effects. The magnetic field. What is meant by a magnet. Magnetism, magnetite and the compass. Building a compass. Building a closed electrical circuit. Observing the magnetic effect around a straight conductor, traversed by an electric current. The Oersted experiment and electromagnetism. The magnetic field. What is meant by a magnet. Magnetism, magnetite and the compass. The compass rose and its use. The compass. The right-hand rule that relates the orientation of the lines of magnetic induction with the direction of the electric current that circulates in the straight conductor. Faraday's and Lenz's laws of induction, electromagnetic phenomena. The variation of the magnetic flux over a closed conductor and the induced current. Faraday's law of electromagnetic induction. Lenz's law, or Faraday-Lenz, of electromagnetic induction. The right-hand rule that relates the direction of the source magnetic field vector inside it with the direction of the electric current it conducts. Electric current, moving electric charges, and their magnetic induction field. The Faraday-Lenz-Neumann law for electromagnetic induction. How the telegraph works. How the electric bell works. Biot-Savart law, electromagnetic phenomena. Remembering the lines of magnetic force, their properties and what they tell us about the magnetic field vector. Mapping the lines of magnetic induction generated by an electric current that flows in the same direction in two parallel and straight conductors. Applying the Biot-Savart law. Magnetic induction around parallel circular coils, traversed by electric current. What is meant by coil in electromagnetism. The right-hand rule that relates the direction of the source magnetic field vector inside it with the direction of the electric current it conducts. Mapping the lines of magnetic induction generated by an electric current in a spiral conductor. Applying the right-hand rule to coils. Calculating the value of B inside a circular coil that conducts an electric current. Magnetic induction inside a solenoid traversed by an electric current. The solenoid, a temporary magnet and the mathematical expression for calculating B inside it. Applying the right-hand rule to solenoids. Temporary magnet, electromagnet, ferromagnetic material. Temporary magnets. Building temporary magnets. The influence of the direction of the electric current that circulates in the coil on the position of its magnetic poles. The location of the magnetic poles and the geographic poles of planet Earth. Changing the environment inside the coil changes the intensity of the magnetic field induced by the electric current. The electromagnet, a temporary magnet and magnetic permeability. Building a closed electrical circuit with the electromagnet. The electric voltage transformer. What is meant by an ideal electric transformer. The primary, the core and the secondary in an electric voltage transformer. Magnetic permeability. Measuring the electrical voltages in the primary and secondary of a transformer. The relationship between the ratio of the electrical voltages of the primary and secondary to the ratio of the number of turns in an ideal transformer. Determining the relationship between the ratio of the electrical voltages of the primary and secondary to the ratio of the number of turns in a transformer built without load. Determining the relationship between the ratio of the electrical voltages of the primary and secondary to the ratio of the number of turns in a transformer built with load. The efficiency of a transformer, etc.

Cidepe - Industrial Center for Teaching and Research Equipment - is a company of reference in educational instruments in educational institutions in Brazil and abroad. With an experienced team of engineers, professors, researchers, consultants and other collaborators, Cidepe develops products with technology and human talent to improve the teaching dynamics.
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Details

Details with the main experiments