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"Cuando se escribe un tratado sobre cualquier tema científico, el autor siempre procura que sea útil al mayor número de lectores; la estructura de este libro ha procurado adaptarse a esta idea. Este libro de ejercicios prácticos es una colección de problemas sobre cuestiones fundamentales de electricidad y magnetismo, ampliamente comentados y razonados. Su objetivo es, además de proponer un conjunto de problemas y proceder a su resolución, sacar a la luz aspectos interesantes de los mismos y familiarizarse con la aplicación de los conocimientos teóricos. El método pedagógico que el autor propone es la resolución de problemas por más de una vía, aplicando o partiendo de principios teóricos aparentemente diferentes, pero que todos son consecuencia de los postulados fundamentales: «un lector que conozca en profundidad la teoría, siempre encontrará un método que le llevará a la resolución del correspondiente problema». Por todo ello, muchos problemas vienen acompañados de comentarios en los que se explican dudas razonables que se le pueden presentar al lector en el proceso de resolución. Su lectura es aconsejable para estudiantes y profesionales de las carreras de Ciencias o Ingenierías que necesiten conocer y aplicar temas afines a la electricidad y el magnetismo Consta de quince capítulos de problemas que abarcan los siguientes temas: Ley de Coulomb; Campo eléctrico; Ley de Gauss; Potencial eléctrico; Dipolos y dieléctricos; Condensadores; Ecuaciones de Poisson y Laplace; Energía y esfuerzos mecánicos en electrostática; Corriente eléctrica; Inducción magnética; Fuerza de Lorentz; Campos creados por corrientes; Ley de Biot y Savart; Ley de Ampère; Potencial escalar y vector magnético; Acciones mecánicas en corrientes; Ley de Faraday-Lenz; Magnetismo en la materia y circuitos magnéticos; Vector de Poynting."