Cidepe

Function

Intended for experimental study, natural science laboratory. Physics. Electricity. Electrical conductors and electrical insulators. Series, opposition, and parallel connections between batteries. Series and parallel lamp connections. Electrical resistance and the resistor. Series connection. Parallel connection. Assembling a circuit with lamps in series. Assembling a circuit with lamps in parallel. Some comparisons between series and parallel connections with lamps. Ohm's law. Differentiating the specific property of electrical resistance of the electrical resistor device. Table and graph. Determining ohmic electrical resistance. Ohmic resistors and non-ohmic resistors. Series, parallel, and mixed resistor connections. The potentiometer, a variable resistor. Measurements in mixed circuits, electrical power, direct current. Kirchhoff's loop laws and node law. The series RC circuit, direct current. The capacitor. The charging time constant. Determining the charging time of the capacitor. Determining the discharge time of a capacitor. Magnetism. The lines of force and the magnetic field of a magnet, magnetism. Magnetism, magnetite, and the compass. Identifying the north and south poles of a magnet. The magnetic field, something invisible to the eye. Magnetic lines of force, their properties, and what they tell us about the magnetic field vector. Magnets and their magnetic poles. The lines of force of the magnetic field in the region outside the magnet. What is meant by magnetization. Magnetization by contact and by friction. The inseparability of a magnetic pole of a magnet. Repulsion or attraction between magnetic poles. Magnetic spectra between poles. Other magnetization processes. Permanent magnets, temporary magnets, and the electromagnet. Electromagnetism. Oersted's experiment and electromagnetism, electromagnetic phenomena, and electromagnetic induction. Oersted's experiment and electromagnetism. The right-hand rule for a straight conductor, which relates the orientation of magnetic induction lines to the direction of the electric current flowing in the conductor. The electromagnet, a temporary magnet. Faraday's law, Lenz's law, Faraday-Lenz-Neumann law, electromagnetic induction, electromagnetic phenomena. Faraday's law of electromagnetic induction. Reviewing magnetic field lines, their properties, and what they tell us about the magnetic field vector. The direction of the induced electric current depends on the direction of the change in magnetic flux source on the wound conductor wire of the coil. Lenz's law of electromagnetic induction. The right-hand rule, which relates the direction of the electric current in the loops to the direction of the magnetic field induced by it. Faraday-Lenz-Neumann law for electromagnetic induction. Temporary magnet, the electromagnet. Temporary magnets: Building a temporary magnet. The electrical voltage transformer. Magnetic permeability. The electrical voltage transformer, the primary, the core, and the secondary. Measuring the electrical voltages in the primary and secondary windings of the transformer. Noting the number of turns in the primary and secondary windings. The relationship between the electrical voltages in the primary and secondary windings and their respective number of turns in an ideal transformer, etc.