Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? All matter is composed of atoms. An atom contains a dense central nucleus. Atoms can combine to form compounds. Atoms of different elements are quite different. All matter is composed of atoms. An atom contains a dense central nucleus. Atoms can combine to form compounds. Atoms of different elements are quite different. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related sinusoidally. non linearly. linearly. parabolically. sinusoidally. non linearly. linearly. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are parallel. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. one of the constituent is iron. the atomic magnetic moments are parallel. ANSWER DOWNLOAD EXAMIANS APP