(a) A ferromagnetic material attracts other materials, for example a paper clip,
ID: 1646686 • Letter: #
Question
(a) A ferromagnetic material attracts other materials, for example a paper clip, and is commonly known as a permanent magnet. (b) A diamagnetic material is attracted to the poles of a magnet (c) A paramagnetic material is repelled by the poles of a magnet (d) In a magnetic domain the magnetic dipoles are aligned parallel to each other. (e) In an electromagnetic wave the electric field and the magnetic field component are perpendicular to each other and to the direction that the wave is travelling in.Explanation / Answer
(a) True
(b) False, diamagnetic material is repelled by the poles of magnet.
(c) False, paramagnetic material is attracted by the poles of magnet.
(d) True
(e) True, magnetic field vector, electric field vector and propagation vectror ( direction of wave) are all perpendicular to each other.
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