Books > Science & Mathematics > Physics > Electricity, magnetism & electromagnetism
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Electricity and Magnetism (Paperback)
Loot Price: R1,481
Discovery Miles 14 810
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Electricity and Magnetism (Paperback)
Series: Student Physics Series
Expected to ship within 10 - 15 working days
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Electromagnetism is basic to our understanding of the properties of
matter and yet is often regarded as a difficult part of an under
graduate physics course. In this book answers are developed from
first principles to such questions as: What is electricity? What is
electromagnetism? Why are some materials magnetic and others
non-magnetic? What is magnetism? Physics answers these questions in
two related ways. On the one hand the classical explanation is in
terms of classical concepts: electric charge q, electric and
magnetic fields (E and B) and electric currents. On the other hand
the microscopic (or 'atomic ') explanation is in terms of quantum
concepts: electrons, nuclei, electron orbits in atoms, electron
spin and photons. Microscopic explanations underlie classical ones,
but do not deny them. The great triumphs of classical physics are
mechanics, gravitation, thermodynamics, electromagnetism and
relativity. Historically they began at the time of Newton
(seventeenth century) and were completed by Maxwell (nineteenth
century) and Einstein (early twentieth century). Microscopic
explanations began with J J. Thomson's discovery of the electron in
1897. For most physical phenomena it is best to seek a classical
explanation first, especially phenomena at room temperature, or low
energy, when quantum effects are small. Although this text is
primarily concerned with classical explanations in a logical,
self-consistent sequence, they are related to microscopic (quantum)
explanations at each stage."
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