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Science

A body of knowledge, often formulated as laws and theories, based on the collection of data through observation and experiment.
physics: electricity and magnetism

PHYSICS: ELECTRICITY AND MAGNETISM

Electromagnetism is the study of the relationship between electricity and magnetism. Its many applications include motors, loudspeakers, measurement instruments and computers.

parallel electrical circuit

parallel electrical circuit

It is divided into independent branches, through which the current flows with partial intensity (in a series circuit, all the elements receive the same intensity).

magnetism

magnetism

Action exerted by magnets and magnetic fields and phenomena. Magnetism can be characterized by the forces of attraction and repulsion between two masses.

generators

generators

Devices that convert mechanical energy (here, a shaft’s rotational motion) into electric energy by moving a coil inside a magnet (electromagnetic induction).

dry cells

dry cells

Devices that transform chemical energy into electric energy (direct current); they usually cannot be recharged and the electrolyte is fixed in place.

electronics

electronics

The scientific study of the behavior of the electron and its applications, such as computers, medicine and automation.